# Python program for simple calculator

# Function to add two numbers
def add(num1, num2):
 return num1 + num2

# Function to subtract two numbers
def subtract(num1, num2):
 return num1 - num2

# Function to multiply two numbers
def multiply(num1, num2):
 return num1 * num2

# Function to divide two numbers
def divide(num1, num2):
 return num1 / num2
 
 
 # Display option to choose
print("Please select operation -\n" \
  "1. Add\n" \
  "2. Subtract\n" \
  "3. Multiply\n" \
  "4. Divide\n") 
 

# Take input from the user
select = int(input("Select operations form 1, 2, 3, 4 :")) 


#Take 1st and 2nd Number From User
number_1 = int(input("Enter first number:  "))
number_2 = int(input("Enter second number:  ")) 


if select == 1:
 print(number_1, "+", number_2, "=",
 add(number_1, number_2))
 
elif select == 2:
 print(number_1, "-", number_2, "=",
     subtract(number_1, number_2))

elif select == 3:
 print(number_1, "*", number_2, "=",
     multiply(number_1, number_2))

elif select == 4:
 print(number_1, "/", number_2, "=",
     divide(number_1, number_2))
else:
 print("Invalid Input")