Python int转换为二进制字符串? [英] Python int to binary string?

问题描述

是否存在任何固定的Python方法将Python中的Integer(或Long)转换为二进制字符串?

Are there any canned Python methods to convert an Integer (or Long) into a binary string in Python?

Google上有无数的dec2bin()函数.但是我希望可以使用内置函数/库.

There are a myriad of dec2bin() functions out on Google... But I was hoping I could use a built-in function / library.

推荐答案

Python的字符串格式方法可以采用格式规范.

Python's string format method can take a format spec.

>>> "{0:b}".format(37)
'100101'

格式化Python 2的规范文档

格式化Python 3的规范文档

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