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creative_backward_string solution in Creative category for Backward String by Jon_Red
def backward_string(val:str)->str:
return backward_string(val[1:])+val[0]if len(val)>0 else val
if __name__=='__main__':
# self-checks
assert backward_string('val')=='lav'
assert backward_string('')==''
assert backward_string('ohho')=='ohho'
assert backward_string('123456789')=='987654321'
Sept. 21, 2020
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