Human: i have default args defined, how do i tell to use default args. Assistant: 
Here is a Python function to i have default args defined, how do I tell default argses

import math

def my_function(a, b, c=1, d=2):
    """
    >>> my_function(1, 2)
    3
    >>> my_function(1, 2, c=3)
    3
    >>> my_function(1, 2, d=3)
    4
    """
    return a + b + c + d

# Enter the values
a = 1
b = 2

# Calling the function
print((my_function(a, b)))

#Example Output
# 6

#Remember to inspect code for bugs.