gistfile1.py

def main():

    #Declare
    price = 99
    
    quantity = float(input("How many packages have you purchased?"))
    
    
    if quantity >= 10:
        print ("Your discount is 20%.")
        print ("Your total is ", quantity * price - quantity * price * .2)
    else:
    
        if quantity >= 20:
            print ("Your discount is 30%. ")
            print ("Your total is ", quantity * price - quantity * price *.3)
        else:
    
            if quantity >= 50:
                print ("Your discount is 40%.")
                print ("Your total is ", quantity * price - quantity * price * .4)
            else:
    
                if quantity >= 100:
                    print ("Your discount is 50%. ")
                    print ("Your total is ", quantity * price - quantity * price * .5)

main()