58 Group a list of integers into sub-lists.
59 e.g. [1,2,3,5,6,7,9]: [[1,2,3],[5,6,7],[9]]
60 """
61 for k, g in groupby(enumerate(data), lambda x: x[0] - x[1]):62 yield list(map(itemgetter(1), g))
An unused variable takes up space in the code, and can lead to confusion, and it should be removed. If this variable is necessary, name the variable _
to indicate that it will be unused, or start the name with unused
or _unused
.
def update():
for i in range(10): # Usused variable `i`
time.sleep(0.01)
display_result()
def update():
for _ in range(10):
time.sleep(0.01)
display_result()