import numpy as np <NEWLINE> <NEWLINE> <NEWLINE> def add ( num1 , num2 ) : <NEWLINE> return num1 + num2 <NEWLINE> <NEWLINE> def subtract ( num1 , num2 ) : <NEWLINE> return num1 - num2 <NEWLINE> <NEWLINE> def multiply ( num1 , num2 ) : <NEWLINE> return num1 * num2 <NEWLINE> <NEWLINE> def divide ( num1 , num2 ) : <NEWLINE> return num1 / num2 <NEWLINE> <NEWLINE> def print hello world ( ) : <NEWLINE> print ( " hello , world ! " ) <NEWLINE> <NEWLINE> def fizzbuzz ( n ) : <NEWLINE> if n % 3 = = 0 : <NEWLINE> return " fizz " <NEWLINE> elif n % 5 = = 0 : <NEWLINE> return " buzz " <NEWLINE> elif n % 15 = = 0 : <NEWLINE> return " fizzbuzz " <NEWLINE> else : <NEWLINE> return str ( n ) <NEWLINE>