class_week1.py

#variables
price = 24.95
discount = 1 - 0.4
number_copies = 60
first_copy = 2
next_copies = 0.80

#functions
def discounted(price, discount):
    '''Calculated discounted price'''
    val = price * discount
    return val

def total(discounted_function, number_copies, first_copy, next_copies):
    '''Calculates total price with shipping'''
    val = discounted_function * number_copies + first_copy + next_copies*(number_copies-1)
    return val

#solution
print(total(discounted(price, discount), number_copies, first_copy, next_copies))