clculator_manuraj16.py

# simple claculator

print("select operation :-")
print("(1) add")
print("(2) subtract")
print("(3) multiply")
print("(4) divide")

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

choice = int(input("choose from 1,2,3,4 : "))
num1 = float(input("Enter 1st number : "))
num2 = float(input("Enter 2nd number : "))

if choice == 1 :
    print (f"{num1} + {num2} = ", add(num1,num2))
elif choice == 2:
    print (f"{num1} - {num2} = ", subtract(num1,num2))
elif choice == 3:
    print (f"{num1} * {num2} = ", multiply(num1,num2))
elif choice == 4:
    print (f"{num1} / {num2} = ", divide(num1,num2))
else :
    print ("invalid entry")