is palindrome two liner (snippet)

Python example 'is palindrome two liner'

Functions in program:

def is_palindrome(s):

Modules used in program:

import string

is palindrome two liner

Python beginners example: is palindrome two liner



import string

def is_palindrome(s):
    # String Clenasing
    s = "".join([char for char in list(s.lower()) if char in list(string.ascii_lowercase)])

    # (index+1) * -1 gives negative index of corresponding counterpart
    # for e.g. s = "noon"  s[0] = s[-1] = "n"  and so on 
    #  all() and list comprehensions make task so easy!!
    return all([s[index]==s[(index+1)*-1] for index in range(0, len(s))])


# Tests
print(is_palindrome("racecar"))
print(is_palindrome("ra cec, a?r   "))  // True
print(is_palindrome("noooonnn"))
print(is_palindrome("cool..eh")

Useful links

Learn Python: https://pythonbasics.org
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