content stringlengths 42 6.51k |
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def portfolio_stats(w: list, rt: list, std: list, coef: float, ra: float, rf: float) -> list:
"""
Store key portfolio statistics into a list.
===========================================================
Parameters:
- w: 1-D array contains weight of each asset
- rt: 1-D array of each asset's expec... |
def sequence_to_accelerator(sequence):
"""Translates Tk event sequence to customary shortcut string
for showing in the menu"""
if not sequence:
return ""
if not sequence.startswith("<"):
return sequence
accelerator = (sequence
.strip("<>")
.replace("Key... |
def palindrome(d: int)-> str:
"""
Function is getting the digits of the number, left shifting it by multiplying
it with 10 at each iteration and adding it the previous result.
Input: Integer
Output: String (Sentence telling if the number is palindrome or not)
"""
remainder = 0
revnum = 0... |
def reverseGroups(head, k):
"""
:param head: head of the list
:param k: group size to be reversed
:return: None1
"""
if k < 1: return
prev = None
cur = head
next = None
index = 0
while index < k and cur != None:
next = cur.next
cur.next = prev
prev =... |
def normalizeHomogenious(points):
""" Normalize a collection of points in
homogeneous coordinates so that last row = 1. """
for row in points:
row /= points[-1]
return points |
def convert_iiif_width(uri, width="full"):
""" Utility to convert IIIF to image URI with given width or "full" """
uri_end = uri.split("//")[1].split("/")
uri_end[4] = ("full" if width == "full" else str(width) + ",")
return "https://" + "/".join(uri_end) |
def is_pangram(string: str) -> bool:
"""
Checks if the given string is a pangram or not
:param string: String to check
:return: bool
Example:
>>> is_pangram("The quick, brown fox jumps over the lazy dog!")
>>> True
"""
count = 0
for character in range(97, 123):
... |
def format_seconds(seconds: int) -> str:
"""
Convert seconds to a formatted string
Convert seconds: 3661
To formatted: " 1:01:01"
"""
# print(seconds, type(seconds))
hours = seconds // 3600
minutes = seconds % 3600 // 60
seconds = seconds % 60
return f"{hours:4d}:{minutes:02d}... |
def select(S, i, key=lambda x: x):
"""
Select the element, x of S with rank i (i elements in S < x)
in linear time
Assumes that the elements in S are unique
Complexity: O(n)
Every step in this algorithm is approximately linear
time, the sorting here only ever happens of lists of
length <= 5
"""
#... |
def compact(lst):
"""Return a copy of lst with non-true elements removed.
>>> compact([0, 1, 2, '', [], False, (), None, 'All done'])
[1, 2, 'All done']
"""
return [val for val in lst if val] |
def flatten_item(item):
""" Returns a flattened version of the item """
output = {}
for key in item.keys():
if key not in ["status", "properties"]:
output[key] = item[key]
for status in item["status"]:
output[status["status_name"]] = status["status_value"]
for key, obj ... |
def IoU(boxA: dict, boxB: dict) -> float:
""" Calculate IoU
Args:
boxA: Bounding box A
boxB: Bounding box B
"""
# determine the (x, y)-coordinates of the intersection rectangle
xA = max(boxA['x1'], boxB['x1'])
yA = max(boxA['y1'], boxB['y1'])
xB = min(boxA['x2'], boxB['x2'])... |
def match_snp(allele):
""" return the complimentary nucleotide for an
input string of a single nucleotide.
missing bp (N) will return a N. """
allele = allele.upper()
if allele == 'A':
return 'T'
elif allele == 'T':
return 'A'
elif allele == 'C':
return 'G'
elif allele == 'G':
return 'C'
elif allele ... |
def dms2dd(s):
"""convert lat and long to decimal degrees"""
direction = s[-1]
degrees = s[0:4]
dd = float(degrees)
if direction in ('S','W'):
dd*= -1
return dd |
def parse_filename(filename):
"""Parse python and platform according to PEP 427 for wheels."""
stripped_filename = filename.strip(".whl")
try:
proj, vers, build, pyvers, abi, platform = stripped_filename.split("-")
except ValueError: # probably no build version available
proj, vers, py... |
def is_operator(token):
""" return true if operator """
return token == "&" or token == "|" |
def build_response_card(title, subtitle, options):
"""
Build a responseCard with a title, subtitle, and an optional set of options which should be displayed as buttons.
"""
buttons = None
if len(options) > 1:
buttons = []
for i in range(min(5, len(options))):
buttons.appe... |
def get_id_map_by_name(source_list, target_list):
"""
Args:
source_list (list): List of links to compare.
target_list (list): List of links for which we want a diff.
Returns:
dict: A dict where keys are the source model names and the values are
the IDs of the target models w... |
def normalize(lng):
"""normalizze language string
pl => pl_PL
en-us => en_US
en_GB => en_GB
"""
lng = lng.replace("-", "_")
if "_" in lng:
pre, post = lng.split("_")
lng = pre.lower() + "_" + post.upper()
else:
lng = lng.lower() + "_" + lng.upper()
return lng |
def FloorLog10Pow2(e):
"""Returns floor(log_10(2^e))"""
assert e >= -1650
assert e <= 1650
return (int(e) * 78913) // 2**18 |
def load_distances(dx, dy, dz, ix, delx):
"""
Returns the load distances to where an element load is applied.
Parameters
----------
dx, dy, dz : float
The element distance vector.
ix, : float
The distance from the i node of the element to where the beginning
of the loads... |
def file_type_by_extension( extension):
"""
Tries to guess the file type by looking up the filename
extension from a table of known file types. Will return
the type as string ("audio", "video" or "torrent") or
None if the file type cannot be determined.
"""
types={
'audio': [ ... |
def partition_gps(entities):
"""Partition Photo entities by GPS lat/lon and datetime.
Arguments:
entities: sequence of Photo entities
Returns
complete_images: sequence of Photos containing both GPS lat/lon and datetime
incomplete_images: sequence of Photos that do not contain both GPS lat... |
def print_line(l):
"""
print line if starts with ...
"""
print_lines = ['# STOCKHOLM', '#=GF', '#=GS', ' ']
if len(l.split()) == 0:
return True
for start in print_lines:
if l.startswith(start):
return True
return False |
def getPhenotype(chromosome, items):
"""
Given a chromosome, returns a list of items in the bag
:param chromosome:
:param items:
:return: list
"""
return [v for i, v in enumerate(items) if chromosome[i] == 1] |
def add_homeruns(user, player_id, hrs):
"""Add a hr by a player
Parameters:
user: the dictionary of the user (dict)
player_id: the player id (int)
hrs: the number of hr hit (int)
Returns:
user: the update user (dict)
"""
for __ in range(0, hrs):
user['game'][... |
def _format_mojang_uuid(uuid):
"""
Formats a non-hyphenated UUID into a whitelist-compatible UUID
:param str uuid: uuid to format
:return str: formatted uuid
Example:
>>> _format_mojang_uuid('1449a8a244d940ebacf551b88ae95dee')
'1449a8a2-44d9-40eb-acf5-51b88ae95dee'
Must have 32 charac... |
def disp_corner(sc, L, ct=4):
"""
Nearest displacement along blocks of 4
"""
return min(abs((x-L*ct) - sc) for x in range(ct)) |
def get_searched_index(graph):
"""
Returns a dictionary with a key for each node in the graph with a boolean
initialized to False, to indicate whether they have not yet been searched.
"""
searched = {}
for k in graph.keys():
searched[k] = False
return searched |
def is_number(s):
""" Indicates if s is a number (True) or not (False) """
try:
float(s)
return True
except ValueError:
return False |
def get_new_id(identifier, width):
""" Given an identifier, gets the next identifier.
:param identifier: the last identifier known.
:param width: the width of the identifier.
:return: the next identifier.
"""
if identifier.lstrip('0') == "":
identifier = str(1)
else:
identi... |
def _quote_float(s):
"""Returns s quoted if s can be coverted to a float."""
try:
float(s)
except ValueError:
return s
else:
return "'%s'" % s |
def check_img_link(link):
"""Verify image link.
Argument: Link as string. Link must end with "jpg", "jpeg", "png" or "gif".
Return: Link or None.
"""
allowed_img = ('jpg', 'jpeg', 'png', 'gif')
if '.' in link:
splitlink = link.split('.')
if splitlink[-1].lower() in allowed_img:
... |
def lerp(a, b, i):
"""Linear enterpolate from a to b."""
return a+(b-a)*i |
def _get_doi_from_text_body(body):
"""
Get the DOI from the body of a request.
Args:
body (str): The data
Return:
a str containing the DOI
"""
bits = body.split('url=', 1)
if bits[0] != '':
_doi = (bits[0].split('doi=')[1]).strip()
else:
bits = bits[1].... |
def my_kitchen_sink_fc(p1, p2, p3=3.0, p4="default"):
"""This should (in a few words) define what the function is for.
@param: p1 - define what p1 is, and what type/range/values is expected
@param: p2 - same again
@param: p3 - and again
@param: p4 - and again - but this one will default to the strin... |
def __int_desc(tries):
"""Return the inversion of the triad in a string."""
if tries == 1:
return ""
elif tries == 2:
return ", first inversion"
elif tries == 3:
return ", second inversion"
elif tries == 4:
return ", third inversion" |
def _mk_cache_instance(cache=None, assert_attrs=()):
"""Make a cache store (if it's not already) from a type or a callable, or just return dict.
Also assert the presence of given attributes
>>> _mk_cache_instance(dict(a=1, b=2))
{'a': 1, 'b': 2}
>>> _mk_cache_instance(None)
{}
>>> _mk_cache... |
def MAPE(y_true, y_pred):
"""Mean Absolute Percentage Error
Calculate the mape.
# Arguments
y_true: List/ndarray, ture data.
y_pred: List/ndarray, predicted data.
# Returns
mape: Double, result data for train.
"""
y = [x for x in y_true if x > 0]
y_pred = [y_pred[i]... |
def parseCoords(coordList):
"""
Pass in a list of values from <coordinate> elements
Return a list of (longitude, latitude, altitude) tuples
forming the road geometry
"""
def parseCoordGroup(coordGroupStr):
"""
This looks for <coordinates> that form the road geometry, and
then parses them into (l... |
def bleach(s: str):
"""Bleach the string of the atom names and element names.
Replace '+' with 'p', '-' with 'n'. Strip all the characters except the number and letters.
"""
return ''.replace("+", "p").replace("-", "n").join((c for c in s if c.isalnum())) |
def check_devicon_object(icon: dict):
"""
Check that the devicon object added is up to standard.
:param icon: a dictionary containing info on an icon. Taken from the devicon.json.
:return a string containing the error messages if any.
"""
err_msgs = []
try:
for tag in icon["tags"]:
... |
def _cell_normal(c1, c2, c3, i, j, cylindrical):
"""
Return non-dimensional vector normal with magnitude equal to area.
If there is no 'z' coordinate, `c1` will be None in cylindrical
coordinates, otherwise `c3` will be None.
"""
# FIXME: built-in ghosts
ip1 = i + 1
jp1 = j + 1
# upper-... |
def _merge_parameters(primary_parameters, secondary_parameters):
"""
Merges two default parameters list,
Parameters
----------
primary_parameters : `None` or `tuple` of `tuple` (`str`, `Any`)
Priority parameters, which element's wont be removed.
secondary_parameters : `None` or `tuple` ... |
def code_to_md(source, metadata, language):
"""
Represent a code cell with given source and metadata as a md cell
:param source:
:param metadata:
:param language:
:return:
"""
options = []
if language:
options.append(language)
if 'name' in metadata:
options.append... |
def is_kind_of_class(obj, a_class):
"""checks if an object is an instance of, or if the object is an instance
of a class that inherited from, the specified class"""
return (isinstance(obj, a_class) or issubclass(type(obj), a_class)) |
def invertIntervalList(inputList, minValue, maxValue):
"""
Inverts the segments of a list of intervals
e.g.
[(0,1), (4,5), (7,10)] -> [(1,4), (5,7)]
[(0.5, 1.2), (3.4, 5.0)] -> [(0.0, 0.5), (1.2, 3.4)]
"""
inputList = sorted(inputList)
# Special case -- empty lists
if len(inputList... |
def build_form_data(token, username, password):
"""Build POST dictionary"""
return {
'_token': token,
'tAccountName': username,
'tWebPassword': password,
'action': 'login'
} |
def attenuation(og, fg):
"""Attenuation
Parameters
----------
og : float
Original gravity, like 1.053
fg : float
Final gravity, like 1.004
Returns
-------
attenuation : float
Attenuation, like 0.92.
"""
return (og - fg) / (og - 1.0) |
def _try_type(value, dtype):
"""
Examples
--------
>>> _try_type("1", int)
1
>>> _try_type(1.0, int)
1
>>> _try_type("ab", float)
'ab'
"""
try:
return dtype(value)
except ValueError:
return value |
def sub_reverse(current, previous, bpp):
"""
To reverse the effect of the Sub filter after decompression,
output the following value:
No need to copy as we are calculating Sub plus Raw and Raw is calculated on the fly.
Sub(x) + Raw(x-bpp)
:param current: byte array representing current scanli... |
def lastLetter (s):
"""Last letter.
Params: s (string)
Returns: (string) last letter of s
"""
return s[-1] |
def insertion_sort(collection):
"""
Counts the number of comparisons (between two elements) and swaps
between elements while performing an insertion sort
:param collection: a collection of comparable elements
:return: total number of comparisons and swaps
"""
comparisons, swaps = 0, 0
... |
def naka_rushton(c, a, b, c50, n):
"""
Naka-Rushton equation for modeling contrast-response functions.
Where:
c = contrast
a = Rmax (max firing rate)
b = baseline firing rate
c50 = contrast response at 50%
n = exponent
"""
return (a*(c**n)/((c50**n)+(c*... |
def to_pascal(string: str) -> str:
"""Convert a snake_case string into a PascalCase string.
Parameters:
string: The string to convert to PascalCase.
"""
return "".join(word.capitalize() for word in string.split("_")) |
def PolicyConfig(name: str, configuration: dict, version: str = "builtin", enabled: bool = True) -> dict:
"""Creates policy config to be passed to API to policy chain
Args:
:param name: Policy name as known by 3scale
:param version: Version of policy; default: 'builtin'
:param enabled: W... |
def argsort_for_list(s, reverse=False):
"""get index for a sorted list."""
return sorted(range(len(s)), key=lambda k: s[k], reverse=reverse) |
def pad_cdb(cdb):
"""Pad a SCSI CDB to the required 12 bytes"""
return (cdb + chr(0)*12)[:12] |
def limit(num, minimum=1, maximum=255):
"""Limits input 'num' between minimum and maximum values.
Default minimum value is 1 and maximum value is 255."""
return max(min(num, maximum), minimum) |
def alternating_cache_event_filter(result):
"""
Filter that only returns alternating/changed events from cache.
"""
if result["value"]["_count"] != 1:
return
return result["value"]["event"] |
def get_container_volumes(c):
"""Extract volume names.
Extracts the volume names for a container.
Args:
c: Container dictionary from portainer api
Returns:
List of attached volume names
"""
return list(map(lambda x: x['Name'], filter(lambda x: x['Type'] == 'volume', c['Mounts'... |
def relabel_seg(seg, strand, side):
"""Relabel Junction, Intron, and Exon change points with APA or ATSS"""
label1, label2 = seg[1].split('|')
new_label_list = []
for this_label in [label1, label2]:
if this_label == 'Junction':
if strand == '+':
new_label = 'JunctionAPA' if 'R' in side else 'JunctionATSS'
... |
def listify(obj):
"""Make lists from single objects. No changes are made for the argument of the 'list' type."""
if type(obj) is not list:
return [obj]
else:
return obj |
def getQuotes(lines):
"""Movie's quotes."""
quotes = []
qttl = []
for line in lines:
if line and line[:2] == ' ' and qttl and qttl[-1] and \
not qttl[-1].endswith('::'):
line = line.lstrip()
if line:
qttl[-1] += ' %s' % line
elif n... |
def _is_install_requirement(requirement):
""" return True iff setup should install requirement
:param requirement: (str) line of requirements.txt file
:return: (bool)
"""
return not (requirement.startswith('-e') or 'git+' in requirement) |
def normalize_path(url: str) -> str:
"""
normalize link to path
:param url: path or url to normalize
:type url: str
:return: normalized path
:rtype: str
"""
url = url.replace("http://", "http/").replace("https://", "https/")
illegal_char = [":", "*", "?", '"', "<", ">", "|", "'"]
... |
def _check_electrification_scenarios_for_download(es):
"""Checks the electrification scenarios input to :py:func:`download_demand_data`
and :py:func:`download_flexibility_data`.
:param set/list es: The input electrification scenarios that will be checked. Can
be any of: *'Reference'*, *'Medium'*, *... |
def get_unique_elements(list_of_elements, param) -> list:
"""
Function to remove the redundant tweets in the list
:param param: the parameter on which the dictionary should be sorted
:param list_of_elements: takes in list of elements where each element is a dictionary
:return returns the unique list... |
def progress_bar(items_total, items_progress, columns=40, base_char='.', progress_char='#', percentage=False, prefix='', postfix=''):
"""
Print a progress bar of width `columns`
"""
bins_total = int(float(items_total) / columns) + 1
bins_progress = int((float(items_progress) / float(items_total)) * ... |
def __get_app_package_path(package_type, app_or_model_class):
"""
:param package_type:
:return:
"""
models_path = []
found = False
if isinstance(app_or_model_class, str):
app_path_str = app_or_model_class
elif hasattr(app_or_model_class, '__module__'):
app_path_str = ap... |
def is_git_repo(template_repo):
""" Returns True if the template_repo looks like a git repository. """
return template_repo.startswith("git@") or \
template_repo.startswith("https://") |
def adjust_box(box, size):
"""
function which try to adjust the box to fit it in a rectangle
"""
# test if it can fit at all
if box[2] - box[0] > size[2] - size[0] or box[3] - box[1] > size[3] - size[1]:
return None
else:
if box[0] < size[0]:
delta = size[0] - box[0... |
def rankine2celcius(R):
"""
Convert Rankine Temperature to Celcius
:param R: Temperature in Rankine
:return: Temperature in Celcius
"""
return (R - 491.67) * 5.0 / 9 |
def pbParse(lines, data=None):
"""
Mini specificationless protobuf parser
:param lines: list of lines to parse
:param data: dict to update with data
:return: protobuf string parsed as dict
"""
if data is None:
data = {}
while len(lines) > 0:
line = lines[0]
ld = ... |
def f7(seq):
"""
Fast order-preserving elimination of duplicates
"""
seen = set()
return [ x for x in seq if x not in seen and not seen.add(x)] |
def formatDefinition(definition):
"""
:param definition: The definition to format
:return: The definition with all existing markdown removed
"""
definition = definition.replace("[", "")
definition = definition.replace("]", "")
definition = definition.replace("\"", "")
definition = defini... |
def quote_string(v):
"""
RedisGraph strings must be quoted,
quote_string wraps given v with quotes incase
v is a string.
"""
if isinstance(v, bytes):
v = v.decode()
elif not isinstance(v, str):
return v
if len(v) == 0:
return '""'
v = v.replace('"', '\\"')
... |
def parse_input(player_input, remaining):
"""Convert a string of numbers into a list of unique integers, if possible.
Then check that each of those integers is an entry in the other list.
Parameters:
player_input (str): A string of integers, separated by spaces.
The player's choices for... |
def get_param_dict(job, model_keys):
"""
Get model parameters + hyperparams as dictionary.
"""
params = dict((" ".join(k.replace(".__builder__", "").split(".")),
job.get("hyper_parameters." + k, None))
for k in model_keys)
return params |
def sanitiseList(parser, vals, img, arg):
"""Make sure that ``vals`` has the same number of elements as ``img`` has
dimensions. Used to sanitise the ``--shape`` and ``--dim`` options.
"""
if vals is None:
return vals
nvals = len(vals)
if nvals < 3:
parser.error('At least three... |
def validate_volume_type(volume_type):
"""
Property: VolumeConfiguration.VolumeType
"""
volume_types = ("standard", "io1", "gp2")
if volume_type not in volume_types:
raise ValueError(
"VolumeType (given: %s) must be one of: %s"
% (volume_type, ", ".join(volume_types)... |
def trim(line):
"""Trims any beginning non-alphabet letters.
Args:
line (str): The line to trim
Returns:
str: The sliced line, starting from the index of the first alphabetical character to the end
"""
index = 0
for i in range(len(line)):
if line[i].isalpha():
break
... |
def remove_prefix(text, prefix):
"""
Remove prefix of a string.
Ref: https://stackoverflow.com/questions/16891340/remove-a-prefix-from-a-string
"""
if text.startswith(prefix):
return text[len(prefix):]
return text |
def __dict_replace(s, d):
"""Replace substrings of a string using a dictionary."""
for key, value in d.items():
s = s.replace(key, value)
return s |
def mk_impl_expr(expr1, expr2):
"""
returns an or expression
of the form (EXPR1 -> EXPR2)
where EXPR1 and EXPR2 are expressions
NOTE: Order of expr1 and expr2 matters here
"""
return {"type" : "impl",
"expr1" : expr1 ,
"expr2" : expr2 } |
def toiter(obj):
"""If `obj` is scalar, wrap it into a list"""
try:
iter(obj)
return obj
except TypeError:
return [obj] |
def scale_range(actual, actual_min, actual_max, wanted_min, wanted_max):
"""Scales a value from within a range to another range"""
return (wanted_max - wanted_min) * (
(actual - actual_min) / (actual_max - actual_min)
) + wanted_min |
def getHeaders(lst, filterOne, filterTwo):
"""
Find indexes of desired values.
Gets a list and finds index for values which exist either in filter one or filter two.
Parameters:
lst (list): Main list which includes the values.
filterOne (list): A list containing values to find indexes of in the main list... |
def _bigquery_type_to_charts_type(typename):
"""Convert bigquery type to charts type."""
typename = typename.lower()
if typename == "integer" or typename == "float":
return "number"
if typename == "timestamp":
return "date"
return "string" |
def calculate_zstats(fid, min, max, mean, median, sd, sum, count):
"""Calculating basic statistic, determining maximum height in segment"""
names = ["id", "min", "max", "mean", "median", "sd", "sum", "count"]
feat_stats = {names[0]: fid,
names[1]: min,
names[2]: max,... |
def constant_time_compare(val1, val2):
"""
Borrowed from Django!
Returns True if the two strings are equal, False otherwise.
The time taken is independent of the number of characters that match.
For the sake of simplicity, this function executes in constant time only
when the two strings have t... |
def rotc(ebit, debt, equity):
"""Computes return on total capital.
Parameters
----------
ebit : int or float
Earnins before interest and taxes
debt : int or float
Short- and long-term debt
equity : int or float
Equity
Returns
-------
out : int or float
... |
def _is_hex_string(s: str) -> bool:
"""Returns True if the string consists exclusively of hexadecimal chars."""
hex_chars = '0123456789abcdefABCDEF'
return all(c in hex_chars for c in s) |
def check_seq_uniqueness(seq, start, stop):
"""Note: this is a terribly inefficient use of recursion!!!"""
if stop - start <= 1:
return True # at most one item in sequence.
elif not check_seq_uniqueness(seq, start, stop-1):
return False
elif not check_seq_uniqueness(seq, start+1, stop):... |
def resolve_attr(obj, path):
"""A recursive version of getattr for navigating dotted paths.
Args:
obj: An object for which we want to retrieve a nested attribute.
path: A dot separated string containing zero or more attribute names.
Returns:
The attribute referred to by obj.a1.a2.a... |
def clip_scalar(value, vmin, vmax):
"""A faster numpy.clip ON SCALARS ONLY.
See https://github.com/numpy/numpy/issues/14281
"""
return vmin if value < vmin else vmax if value > vmax else value |
def _xbrli_integer_item_type_validator(value):
"""Returns python int if value can be converted"""
errors = []
if isinstance(value, int):
value = int(value)
elif isinstance(value, str):
try:
value = int(value)
except:
errors.append("'{}' is not a valid inte... |
def from_contributor(pr_payload):
"""
If the PR comes from a fork, we can safely assumed it's from an
external contributor.
"""
return pr_payload.get('head', {}).get('repo', {}).get('fork') is True |
def build_texts_from_gems(keens):
"""
Collects available text from each gem inside each keen in a list and returns it
:param keens: dict of iid: keen_iid
:return: texts: dict of iid: list of strings with text collected from each gem.
"""
texts = {}
for keen in keens.values():
for gem... |
def _coord_names(frame):
"""Name the coordinates based on the frame.
Examples
--------
>>> _coord_names('icrs')[0]
'ra'
>>> _coord_names('altaz')[0]
'delta_az'
>>> _coord_names('sun')[0]
'hpln'
>>> _coord_names('galactic')[0]
'glon'
>>> _coord_names('ecliptic')[0]
'e... |
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