跳过python中范围函数中的值

编程基础网 Python问题

2022-01-01

Skip over a value in the range function in python(跳过python中范围函数中的值)

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问题描述

循环遍历一系列数字并跳过一个值的 Python 方式是什么?例如，范围是 0 到 100，我想跳过 50.

What is the pythonic way of looping through a range of numbers and skipping over one value? For example, the range is from 0 to 100 and I would like to skip 50.

这是我正在使用的代码

for i in range(0, len(list)):
    x= listRow(list, i)
    for j in range (#0 to len(list) not including x#)
        ...

推荐答案

您可以使用以下任何一种:

You can use any of these:

# Create a range that does not contain 50
for i in [x for x in xrange(100) if x != 50]:
    print i

# Create 2 ranges [0,49] and [51, 100] (Python 2)
for i in range(50) + range(51, 100):
    print i

# Create a iterator and skip 50
xr = iter(xrange(100))
for i in xr:
    print i
    if i == 49:
        next(xr)

# Simply continue in the loop if the number is 50
for i in range(100):
    if i == 50:
        continue
    print i

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