Theater Seating Revenue | Python Fiddle

# Theater Seating Revenue - Input Validation
# Week 6, Ch 7, Ex 2
# Written by Greg Lamb
# Last modified: 05/04/2015

#Section A  qty <=300
#Section B  qty <=500
#Section C  qty <=200

#Constants:
priceSectionA = 20
priceSectionB = 15
priceSectionC = 10

#Variables
seatsA=0
seatsB=0
seatsC=0
seatsGood = False
numTries = 0

while(seatsGood==False and numTries <3):
    numTries += 1
    #How many tickets sold in Section A?
    seatsA = input("Enter the number of tickets sold for Section A:  ")
    
    #Validate seats in section A input
    if seatsA > 300:
        print("Section A has 300 seats. Re-enter the tickets sold for Section A:  ")
        if numTries >=3:
            seatsA = 0
    else:
        print("{} tickets were sold in Section A".format(seatsA))
        seatsGood = True
    
    #How many tickets sold in Section B?
    seatsB = input("Enter the number of tickets sold for Section B:  ")
    
    #Validate seats in section B input
    if seatsB > 500:
        print("Section B has 500 seats. Re-enter the tickes sold for Section B:  ")
        if numTries >=3:
            seatsB = 0
    else:
        print("{} tickets were sold in Section B".format(seatsB))
        seatsGood = True
    
    #How many tickets sold in Section B?
    seatsC = input("Enter the number of tickets sold for Section C:  ")
    
    #Validate seats in section C input
    if seatsC > 200:
        print("Section C has 200 seats. Re-enter the tickes sold for Section C:  ")
        if numTries >=3:
            seatsC = 0
    else:
        print("{} tickets were sold in Section C".format(seatsC))
        seatsGood = True
        
def calcRevenue(seatsA, seatsB, seatsC):
    return (priceSectionA * seatsA) + (priceSectionB * seatsB) + (priceSectionC * seatsC)

#Total revenue from ticket sales
print("The total revenue from ticket sales is: ${:,.2f}".format(calcRevenue(seatsA, seatsB, seatsC)))

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