Till system with no of tickets

#Till System
regswim = 5  #the price of an adult swim, easy to change if the price changes
print ("Welcome to the virtual swimming pool.")
ticket = input("Please tell me what type of ticket you would like:\nPensioner\nTeenager\nAdult\n") #ask the user for their swim catagory

#if the user inputs Adult swimmer work out the ticket price
if ticket == "Adult":
    no_of_tickets = int(input("How many tickets would you like? "))
    scard = input("Do you have a swim card? Please answer Yes or No\n")
    if scard == "Yes":
        print ("The cost of your ticket with the 50% swim car discount is £",regswim/2*no_of_tickets)  #50% discount for adults with a swim card

    else:
        print ("The cost of your ticket  is £",regswim*no_of_tickets)

#if the user is not an adult they must be a teenager or a pensioner so they swim for free
else:
    print ("There is no charge for your ticket")

print ("I hope you enjoy your swim today")