ربات ماشین حساب ساده

number1 = int(input("Enter the 1st number: "))
operator = input(" + , - , *, / : ")
number2 = int(input("Enter the 2nd number: "))

output = None
if operator == "+":
    output = number1 + number2
elif operator == "-":
    output = number1 - number2
elif operator == "*":
    output = number1 * number2
elif operator == "/":
    output = number1 / number2

print("{} {} {} = {}".format(number1,operator,number2,output))

a = int(input("adad aval: "))
b = int(input("adad dovom: "))
print(a + b)

function calcBot(message) {
  if (!message.startsWith("calc ")) return "دستور نامعتبر است";

  const expression = message.slice(5).trim();

  if (!/^[0-9+\-*/.\s]+$/.test(expression)) {
    return "عبارت نامعتبر است";
  }

  try {
    const result = Function(`"use strict"; return (${expression})`)();
    return Number.isFinite(result) ? result : "خطا";
  } catch {
    return "عبارت نامعتبر است";
  }
}

import re
enter = re.split(r"([+\-*/])", (input("what you want?")))
if enter[1] == "+":
    print(int(enter[0]) + int(enter[2]))
elif enter[1] == "-":
    print(int(enter[0]) - int(enter[2]))
elif enter[1] == "*":
    print(int(enter[0]) * int(enter[2]))
elif enter[1] == "/":
    print(int(enter[0]) // int(enter[2]))

from cowsay import *
import cowsay

AR = input("Ebarat Riazi Ra Vared konid: ")
result = eval(AR)
cowsay.cow(result)

public static void main(String[] args) {
    Scanner input = new Scanner(System.in);
    float num1, num2;
    char ch;
    System.out.println("enter a number one :");
    num1 = input.nextFloat();
    System.out.println("what eval? + or - or * or / ??");
    ch = input.next().charAt(0);
    System.out.println("Enter a numbet two : ");
    num2 = input.nextFloat();
    switch (ch) {
    case '+': System.out.println(num1 + num2);
    break;
    case '-' : System.out.println(num1 - num2);
    break;
    case '*':System.out.println(num1 * num2);
    break;
    case '/':System.out.println(num1/num2);
    default:
    System.out.println("not found");
    }
    }

def sum(a,b):
    print(a + b)
def minus(a,b):
    print(a - b)
def division(a,b):
    print(a / b)
def times(a,b):
    print(a*b)

while True:
    print("Which work do you want? : ")
    print("1 : sum")
    print("2 : minus")
    print("3 : times")
    print("4 : division")
    ask = input("Which one? (1-4) : ")
    if ask == "1":
        a1 = input("Enter the first number: ")
        b1 = input("Enter the second number: ")
        sum(a1,b1)
        if ask == "clac 5+3":
                print(8)
            else:
                break
    elif ask == "2":
        a2 = input("Enter the first number: ")
        b2 = input("Enter the second number: ")
        minus(a2,b2)
        if ask == "clac 5+3":
                print(8)
            else:
                break
    elif ask == "3":
        a3 = input("Enter the first number: ")
        b3 = input("Enter the second number: ")
        times(a3,b3)
        if ask == "clac 5+3":
                print(8)
            else:
                break
        if ask == "clac 5+3":
                print(8)
            else:
                break
    elif ask == "4":
        a4 = input("Enter the first number: ")
        b4 = input("Enter the second number: ")
        division(a4,b4)
        if ask == "clac 5+3":
                print(8)
            else:
                break