First creative solution for The Most Wanted Letter by DanielDou - python coding challenges

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First solution in Creative category for The Most Wanted Letter by DanielDou

# migrated from python 2.7
# From Daniel Dou with love...

def checkio(x):
    x = x.lower()
    maximum = max([x.count(i) for i in set(x) if i.isalpha()])
    candidates = [j for j in x if x.count(j) == maximum and j.isalpha()]
    return sorted(candidates)[0]
    
    
#These "asserts" using only for self-checking and not necessary for auto-testing
if __name__ == '__main__':
    assert checkio("Hello World!") == "l", "Hello test"
    assert checkio("How do you do?") == "o", "O is most wanted"
    assert checkio("One") == "e", "All letter only once."
    assert checkio("Oops!") == "o", "Don't forget about lower case."
    assert checkio("AAaooo!!!!") == "a", "Only letters."

Feb. 22, 2014

Comments:

DanielDou on Feb. 22, 2014, 1:46 p.m.
Sorry. I forgot to include a set(x) for the candidates. :)

mikwaheeri on May 22, 2014, 2:27 p.m.
I know there had to be a way to return a sorted list while grabbing the sorted value. I was doing return sorted(list[0]) instead of return sorted(list)[0]. Thanks for this solution!

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