Exercise7 | Python Fiddle

# Chapter 4 Programming Exercise 7

# Discount table
# Quantity    Discount
# 10-19        20%
# 20-49        30%
# 50-99        40%
# 100 or more  50%

def main():
    # User enters number of packages bought
    quantity = input('Enter number of packages bought: ')
    
    # Discount percentage
    if quantity < 10:
        print 'No discount.'
        discount=1.0
    elif quantity < 20:
        print 'Discount is 20%.'
        discount=0.8
    elif quantity < 50:
        print 'Discount is 30%.'
        discount=0.7
    elif quantity < 100:
        print 'Discount is 40%.'
        discount=0.6
    else:
        print 'Discount is 50%.'
        discount=0.5
    total(quantity, discount)

def total (quantity, discount): 
    # No discount price $99.00
    # Full price before discount
    full_price = quantity * 99
    # price with discount
    total_amount = quantity * discount * 99
    print 'Amount of discount is ', full_price - total_amount
    print 'Total purchase price is ', total_amount
    
main()

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