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native_second_index solution in Clear category for Second Index by Jon_Red
def second_index(text:str,symbol:str)->[int,None]:
'''returns the second index of a symbol in a given text'''
if text.count(symbol)>1:return text.find(symbol,text.find(symbol)+1)
if __name__=='__main__':
# self-checks
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'
July 20, 2020
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