import math
import time


def run():
    global total
    total = 0
    file1 = open("Group1.txt", "w+")
    file2 = open("GroupList.txt","w+")
    file1.truncate(0)
    name = input("What is the name of your group? \n")
    file2.write(name)
    file1.write("The name of the group is:")
    file1.write(name)
    file1.write("\nThe size of the group is:")

    def exception():
        try:
            global size_int
            size = input("What is the size of your group? \n")
            size_int = int(size)
            file1.write(size)
        except ValueError:
            print("Invalid response. Please try again. \n")
            exception()
        return (size)

    exception()
    total = 3.00 * size_int
    if size_int > 10 or size_int < 4:
        size = input("Invalid Amount. Try again; 4 people Minimum people, 10 Maximum people.")
    else:
        i = size_int
        file1.write("\n\nThe pupils participating:")
        while i > 0:
            yn = 2
            pupilname = input("State a group member's name. \n")
            file1.write("\n")
            file1.write(pupilname)
            preorderq = input("Do you wish to pre-order a photo with the increase in price of 1.99? Y/N? \n")
            if preorderq == "Y" or preorderq == "y":
                yn = 1
                preorderq = "Yes"
                total = total + 1.99
            if preorderq == "N" or preorderq == "n":
                yn = 0
                preorderq = "No"
                total = total
            if yn == 2:
                preorderq = input("Invalid Response. Please try again.\n")
            file1.write("\nDo preorder?: ")
            file1.write(preorderq)
            if yn == 0:
                file1.write("  :  Pupil Total:$3.00")
            if yn == 1:
                file1.write("  :  Pupil Total:$4.99")
            file1.write("\n")
            i = i - 1
            if i == 0:
                file1.close()




run()
file1 = open("Group1.txt", "r")
water = file1.read()
file1.close()
print("========================")
print("         RECIEPT        ")
print("========================")
print(water)
time.sleep(1)
print("Group Total: $",total)