How to pad a numeric string with zeros to the right in Python?

Question

Python strings have a method called zfill that allows to pad a numeric string with zeros to the left.

In : str(190).zfill(8)
Out: \'00000190\'
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Answer 1

See Format Specification Mini-Language:

In [1]: '{:<08d}'.format(190)
Out[1]: '19000000'

In [2]: '{:>08d}'.format(190)
Out[2]: '00000190'