I have a question

I'm doing a calculator exercise in Python 3.7.

I have created the logic and the calculator is working correctly, but I have the following doubts:

How do I ask the user if he wants to perform another operation, and if he is, does he return to select the number of the operation he wants to perform and if he does not circulate the program?

I leave the code I made. I apologize if the code is too long, but I'm learning this language and I'm really new to programming

Thanks in advance to the people who respond

```
#Calculator
print ("Welcome to the computer")
print ("These are the operations that you can perform")
Print ("1 - Sum")
print ("2 - Subtraction")
print ("3 - Multiplication")
Print ("4 - Division")
number_one = ()
number_dos = ()
Result = ()
operation = int (Enter ("Enter the number of the desired operation.)
carry out: "))
if operation == 1:
Try:
number_one = int (input ("Enter the first number:"))
number_dos = int (Enter ("Enter the second number:"))
except ValueError:
print ("This is not a number")
otherwise:
result = number_one + number_dos
print ("The result of the sum is:" + str (result))
Elif operation == 2:
Try:
number_one = int (input ("Enter the first number:"))
number_dos = int (Enter ("Enter the second number:"))
except ValueError:
print ("This is not a number")
otherwise:
result = number_one - number_dos
print ("The result of the subtraction is:" + str (result))
Elif operation == 3:
Try:
number_one = int (input ("Enter the first number:"))
number_dos = int (Enter ("Enter the second number:"))
except ValueError:
print ("This is not a number")
otherwise:
result = number_one * number_dos
print ("The result of the multiplication is:" + str (result))
Elif operation == 4:
Try:
number_one = int (input ("Enter the first number:"))
number_dos = int (Enter ("Enter the second number:"))
except ValueError:
print ("This is not a number")
otherwise:
result = number_one / number_dos
print ("The result of the division is:" + str (result))
continue = Enter ("Do you want to continue? YES / NO")
```