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First solution in Clear category for The Most Wanted Letter by x.caspar
# migrated from python 2.7
def checkio(text):
temp = {}
result = None
for c in text:
if ('a' <= c <= 'z') or ('A' <= c <= 'Z'):
c = c.lower()
temp[c] = temp.get(c, 0) + 1
if temp[c] == temp.get(result, 0):
result = c > result and result or c
if temp[c] > temp.get(result, 0):
result = c
return result
if __name__ == '__main__':
#These "asserts" using only for self-checking and not necessary for auto-testing
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."
assert checkio("abe") == "a", "The First."
print("Start the long test")
assert checkio("a" * 9000 + "b" * 1000) == "a", "Long."
print("The local tests are done.")
Nov. 28, 2015
