python string formatting float decimal places code example
Example 1: python format only 1 decimal place
>>> "{0:0.1f}".format(45.34531)
'45.3'
Example 2: python 2 decimal places format
"{:.2f}".format(5)
>>> "{0:0.1f}".format(45.34531)
'45.3'
"{:.2f}".format(5)