exercises.py

import sys
import warnings

def test_deprecation_warning():
  warnings.warn("This is a deprecated function, will disappear", DeprecationWarning)
  print 'still, the function continues'

def decypher(s):
  """Knowing that k -> m, o -> q, e -> g this function
  decyphers the string s and returns readable text."""
  return "".join(map(chr, [97+(ord(c)-95)%25 if c.isalpha() else ord(c) for c in s])) 

def test_decypher():
  test_string = "g fmnc wms bgblr rpylqjyrc gr zw fylb. rfyrq ufyr amknsrcpq ypc dmp. bmgle gr gl zw fylb gq glcddgagclr ylb rfyr'q ufw rfgq rcvr gq qm jmle."
  
  assert decypher(test_string) == "i hope you didnt translate it by hand. thats what computers are for. doing it in by hand is inefficient and that's why this text is so long."  

def is_vowel(c):
  pass



if __name__ == '__main__':
    pass