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Ordinary solution in Uncategorized category for Follow Instructions by PetrStar
def follow(instructions):
result = [0, 0]
for ch in instructions:
if ch == 'f':
result[1] += 1;
elif ch == 'b':
result[1] -= 1
elif ch == 'l':
result[0] -= 1
elif ch == 'r':
result[0] += 1
return tuple(result)
if __name__ == '__main__':
print("Example:")
print(follow("fflff"))
# 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!")
Nov. 18, 2020
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