Enable Javascript in your browser and then refresh this page, for a much enhanced experience.
First solution in Clear category for Second Index by alekseykonotop
def second_index(text: str, symbol: str) -> [int, None]:
"""
returns the second index of a symbol in a given text
"""
if symbol not in text:
return None
index = 0
counter = 0
for char in text:
if char != symbol:
index += 1
continue
counter += 1
if counter == 2:
return index
index += 1
return None
if __name__ == '__main__':
print('Example:')
print(second_index("sims", "s"))
# These "asserts" are used for self-checking and not for an auto-testing
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!')
Sept. 8, 2018
Comments:
