Python2018/labs02/task09.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

"""
Napisz funkcję leet_speak, która podmienia w podanym napisie niektóre litery
na podobnie wyglądające cyfry: 'e' na '3', 'l' na '1', 'o' na '0', 't' na '7'.
Np. leet('leet') powinno zwrócić '1337'.
"""

def leet_speak(text):
  
       for i in range(len(text)):
            if ((text[i]) == 'e'):
                text = text[:i] + '3' + text[i + 1:]
            elif ((text[i]) == 'l'):
                text = text[:i] + '1' + text[i + 1:]
            elif ((text[i]) == 'o'):
                text = text[:i] + '0' + text[i + 1:]
            elif ((text[i]) == 't'):
                text = text[:i] + '7' + text[i + 1:]
       return text

def tests(f):
    inputs = [['leet'], ['do not want']]
    outputs = ['1337', 'd0 n07 wan7']

    for input, output in zip(inputs, outputs):
        if f(*input) != output:
            return "ERROR: {}!={}".format(f(*input), output)
            break
    return "TESTS PASSED"

if __name__ == "__main__":
    print(tests(leet_speak))