Question

anybode send the python code for simple calculator app

Answer 1

while true:

print("options:")

print("enter 'add'to add two numbers")

print("enter 'subtract'to subtract two numbers")

print("enter'multiply'to multiply two numbers")

print("enter'divide'to divide two numbers")

print("enter 'quit'to end")

userinput=="quit":

break;

elif userinput=="add":

num1=float(input("enter a number:"))

num2=float(input("enter another number:"))

result=str(num1+num2)

print("the answer is "+result)

elif userinput=="subtract":

num1=float(input("enter a number:"))

num2=float(input("enter another number:"))

result=str(num1-num2)

print("the answer is "-result)

elif userinput=="multiply":

num1=float(input("enter a number:"))

num2=float(input("enter another number:"))

result=str(num1*num2)

print("the answer is "*result)

elif userinput=="divide":

num1=float(input("enter a number:"))

num2=float(input("enter another number:"))

result=str(num1/num2)

print("the answer is "/result)

else:

print("unknown input")

Answer 2

import math as m

expr = (input("Enter Expression: "))
x = eval(expr)
print(x)