# 
# a1task2.py - Assignment 1, Task 2
# Name:
# Email address:
# Description: Functions with numeric inputs
# 
#

# function 0
def opposite(x):
    """ returns the opposite of its input
        input x: any number (int or float)
    """
    return -1*x

# put your definitions for the remaining functions below






# Use the __main__ section for all of your test cases. 
# This section will automatically be executed when the file is run in Python
if __name__ == '__main__':

    # sample test call for function 0
    print('opposite(-8) returns', opposite(-8))

    # add test calls for your functions below