format number with one decimal python 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: python format only 1 decimal place

>>> "{0:0.1f}".format(45.34531)
'45.3'