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lambda solution in Clear category for Follow Instructions by Max0526
follow = lambda i: (i.count("r") - i.count("l"), i.count("f") - i.count("b"))
print("Example:")
print(list(follow("fflff")))
# These "asserts" are used for self-checking
assert list(follow("fflff")) == [-1, 4]
assert list(follow("ffrff")) == [1, 4]
assert list(follow("fblr")) == [0, 0]
print("The mission is done! Click 'Check Solution' to earn rewards!")
May 2, 2023