how to print the avg upto 2 decimal places in 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: how to print answer 2 decimal places in python 3

print("{0:.2f}".format(sum(student_marks[query_name])/3))