OpenQuality.ru

def is_palindrome (s):
        if len(s) < 1:
                raise ValueError ("Empty String!")
        words = s.split(" ")
        for word in words:
                wlist = list(word)
                wlist.reverse()
                drow = ''.join(wlist)
                if word == drow:
                        print word

>>> from transformation import is_palindrome
>>> is_palindrome("level hello racecar")
level
racecar
>>> is_palindrome("")
Traceback (most recent call last):
  File "<stdin>", line 1, in ?
  File "transformation.py", line 12, in is_palindrome
    raise ValueError ("Empty String!")
ValueError: Empty String!
>>>

def is_palindrome (s):
        """ Print palindromes
        >>> is_palindrome("level hello racecar")
        level
        racecar
        >>> is_palindrome("")
        Traceback (most recent call last):
                ...
        ValueError: Empty String!
 
        """
        if len(s) < 1:
                raise ValueError ("Empty String!")
        words = s.split(" ")
        for word in words:
                wlist = list(word)
                wlist.reverse()
                drow = ''.join(wlist)
                if word == drow:
                        print word
 
def simple_test():
        import doctest
        doctest.testmod()
 
if __name__ == "__main__":
        simple_test()

[capt@rh Work]# python transformation.py -v
Running __main__.__doc__
0 of 0 examples failed in __main__.__doc__
Running __main__.is_palindrome.__doc__
Trying: is_palindrome("level hello racecar")
Expecting:
level
racecar
ok
Trying: is_palindrome("")
Expecting:
Traceback (most recent call last):
        ...
ValueError: Empty String!
ok
0 of 2 examples failed in __main__.is_palindrome.__doc__
Running __main__.simple_test.__doc__
0 of 0 examples failed in __main__.simple_test.__doc__
2 items had no tests:
    __main__
    __main__.simple_test
1 items passed all tests:
   2 tests in __main__.is_palindrome
2 tests in 3 items.
2 passed and 0 failed.
Test passed.

wlist = list(word)
# wlist.reverse()
drow = ''.join(wlist)

[capt@rh Work]# python transformation.py
********************************************************
Failure in example: is_palindrome("level hello racecar")
from line #1 of __main__.is_palindrome
Expected:
level
racecar
Got:
level
hello
racecar
********************************************************
1 items had failures:
   1 of   2 in __main__.is_palindrome
***Test Failed*** 1 failures.