Enable Javascript in your browser and then refresh this page, for a much enhanced experience.
instructions.count solution in Clear category for Follow Instructions by pokryshkin
# version 1
def follow(instructions):
x = 0
y = 0
for m in instructions:
if m == 'f': y += 1
if m == 'b': y += -1
if m == 'l': x += -1
if m == 'r': x += 1
return (x, y)
# version 2
def follow(instructions):
y = instructions.count('f') - instructions.count('b')
x = instructions.count('r') - instructions.count('l')
return (x, y)
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!")
April 10, 2021
Comments: