<human>:  timing a function call.
<bot>: Here is a Python function for timing a call

import time

def timeit(f):
    """
    Measures the time it takes for a function to execute.
    :param f: function to be timed
    :return:
    """
    import time
    start = time.time()
    result = f()
    end = time.time()
    print(("{} seconds".format(end - start)))

# Enter the function

def f():
    """
    A function to be timed
    :return:
    """
    print("Hello World")

# Calling the function
print((timeit(f)))

#Example Output
# Hello World
# 3.0994415283203125e-06 seconds
# None

#Remember to inspect code for bugs.