calculator

def add(x,y):
    return x+y
def subtract(x,y):
    return x-y
def multiply (x,y):
    return x*y
def divide (x,y):
    return x/y
t=1
while(t==1):
    print("enter the number")
    x=int(input())
    y=int(input())
    print("enter the operation")
    print("1. addition" "\n" "2. subtraction" "\n" "3. multiplication" "\n" "4. divide")
    choice=(int(input()))
    if (choice==1):
        c=add(x,y)
        print("result",c)
    elif(choice==2):
        c=subtract(x,y)
        print("result",c)
    elif(choice==3):
        c=multiply(x,y)
        print("result",c)
    elif(choice==4):
       c=divide(x,y)
       print("result",c)
    print("do you want to continue press 1 for continue and for no press 0")
    ans=(int(input()))
    if(ans==1):
       t=1
    else:
       t=0