Python中zfill()方法的使用教程

WBOY
Release: 2016-06-06 11:16:39
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 zfill()方法用零垫串来填充左边宽度。
语法

以下是zfill()方法的语法:

str.zfill(width)

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参数

  • width -- 这是字符串的最终宽度,即填充零后得到的宽度。

返回值

此方法返回补齐的字符串。
例子

下面的例子显示了zfill()方法的使用。

#!/usr/bin/python

str = "this is string example....wow!!!";

print str.zfill(40);
print str.zfill(50);

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当我们运行上面的程序,它会产生以下结果:

00000000this is string example....wow!!!
000000000000000000this is string example....wow!!!

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