"{:.0f}".format code example

Example 1: format to 2 or n decimal places python

num = 123.4567
formatted_num = '{0:.2f}'.format(num) # to 2 decimal places
# formatted_num = '123.46'

Example 2: format number differences in python

# make the total string size AT LEAST 9 (including digits and points), fill with zeros to the left
'{:0>9}'.format(3.499)
# >>> '00003.499'