Iterate over multiple lists (tuple) simultaneously in Python
using zip
will stop at the shortest one
names = ['A', 'BBB', 'CCCCC']
counts = [len(n) for n in names]
for name, count in zip(names, counts):
print(name, count)
using itertools
will stop at the longest one
import itertools
names.append('DDDD')
for name, count in itertools.zip_longest(names, counts):
print(f'{name}: {count}')
fill the default value
import itertools
num = [1, 2, 3]
color = ['red', 'while', 'black']
value = [255, 256]
for (a, b, c) in itertools.zip_longest(num, color, value, fillvalue=-1):
print(a, b, c)
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