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str.count - str.find solution in Clear category for Second Index by oduvan
def second_index(text: str, symbol: str):
"""
returns the second index of symbol in a given text
"""
if text.count(symbol) < 2:
return None
return text.find(symbol, text.find(symbol) + 1)
if __name__ == '__main__':
#These "asserts" using only for self-checking and not necessary for auto-testing
print('Example:')
print(second_index("sims", "s"))
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. 7, 2017