numbers = list(range(1, 50))
for i in numbers:
if i < 20:
numbers.remove(i)
print(numbers)
但是,我得到的结果是:
[2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49]
当然,我期望结果中不会出现小于20的数字。看起来我在remove操作方面做错了什么。