python pad zeros to left code example
Example 1: pad zeros to a string python
my_str='9'
my_str.zfill(2)
Example 2: python pad with zeros
>>> n = '4'
>>> print(n.zfill(3))
004
my_str='9'
my_str.zfill(2)
>>> n = '4'
>>> print(n.zfill(3))
004