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one-liner solution in Clear category for Follow Instructions by Alexey.K.
follow = lambda ins: (ins.count('r')-ins.count('l')+0,ins.count('f')-ins.count('b')+0)
if __name__ == '__main__':
print("Example:")
print(follow("ffrff"))
# These "asserts" are used for self-checking and not for an auto-testing
assert follow("fflff") == (-1, 4)
assert follow("ffrff") == (1, 4)
assert follow("fblr") == (0, 0)
print("Coding complete? Click 'Check' to earn cool rewards!")
March 11, 2021
