print("**Welcome**")
t="y"
while t=='y':
    print("Enter the number of opertion you want")
    print("1-Write on the file")
    print("2-Read from the file")
    print("3-search on the file")
    print("4-Copy the file")
    print("5-length of the file")
    print("6-update on the file")
    print("7-Delete from the file")
    s=int(input("Enter the number of operation you want to do "))
    match s :
        case 1:
            c="y"
            while c=='y':
                #your code
                c=input("Enter another record? (y/n)")
            t=input("Do you want to do anothe opertion (y/n):")
        case 2:
            #your code
            t = input("Do you want to do anothe opertion (y/n):")
        case 3:
            # your code
            t = input("Do you want to do anothe opertion (y/n):")
        case 4:
            # your code
            t = input("Do you want to do anothe opertion (y/n):")
        case 5:
            # your code
            t = input("Do you want to do anothe opertion (y/n):")
        case 6:
            # your code
            t = input("Do you want to do anothe opertion (y/n):")
        case 7:
            # your code
            t = input("Do you want to do anothe opertion (y/n):")
print("**THE END**")