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re.match(ver.2) solution in Clear category for Second Index by kurosawa4434
from re import match, escape
def second_index(text: str, symbol: str):
m = match(fr'.*?({escape(symbol)}).*?\1', text)
return m and len(m[0])-len(symbol)
if __name__ == '__main__':
# These "asserts" are used for self-checking and not for an auto-testing
assert second_index('aaaaa', 'a') == 1
assert second_index('[[', '[') == 1
assert second_index('aaaaaaaaaaaaaaaaaaaa', 'a') == 1
assert second_index("boys girls dogs", "s") == 9, "boys girls dogs 9"
assert second_index("sims", "s") == 3, "First"
assert second_index("find the river", "e") == 12, "Second"
assert second_index("hi", " ") is None, "Third"
assert second_index("hi mayor", " ") is None, "Fourth"
assert second_index("hi mr Mayor", " ") == 5, "Fifth"
print('You are awesome! All tests are done! Go Check it!')
Nov. 15, 2017
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