30秒学会 Python 片段 – Pad number

Pads a given number to the specified length.

• Use str.zfill() to pad the number to the specified length, after converting it to a string.

代码实现

def pad_number(n, l):
  return str(n).zfill(l)

使用样例

pad_number(1234, 6); # '001234'

翻译自：https://www.30secondsofcode.org/python/s/pad-number