Create public_data_sources.py

public_data_sources.py

@@ -0,0 +1,7 @@
+WORLD_BANK_BASE = "https://api.worldbank.org/v2"
+
+INDICATORS = {
+    "GDP": "NY.GDP.MKTP.CD",
+    "INFLATION": "FP.CPI.TOTL.ZG",
+    "POPULATION": "SP.POP.TOTL"
+}