Detailed introduction to Python's built-in ascii function

英文文档：

ascii(object)

Asrepr(),returnastringcontaining aprintable representation of an object, but escape the non-ASCII characters in the string returned byrepr()using\x,\uor\Uescapes. This generates a string similar to that returned byrepr()inPython2.

说明：

1. 返回一个可打印的对象字符串方式表示，如果是非ascii字符就会输出\x，\u或\U等字符来表示。与python2版本里的repr()是等效的函数。

>>> ascii(1) '1' >>> ascii('&') "'&'" >>> ascii(9000000) '9000000' >>> ascii('中文') #非ascii字符 "'\\u4e2d\\u6587'"

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