python string pad zeros 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

Example 3: string format zero padded int python

i = 69
s = f'{i:03}'  # for Python >= 3.6, zero padding to have 3 digits