Question

Question 20:

Write a python program that will perform the operations of simple calculator. The operations are : Addition, subtraction, Multiplication and division.

Sample output :

Select operation. 1.Add 2.Subtract 3.Multiply 4.Divide Enter choice(1/2/3/4): 3 Enter first number: 15 Enter second number: 14 15 * 14 = 210

Answer 1

print("Select operation. 1.Add 2.Subtract 3.Multiply 4.Divide")
n=int(input("Enter choice(1/2/3/4): "))

num1 = float(input('Enter first number: '))
num2 = float(input('Enter second number: '))
if n==1:
print(num1,"+",num2,"=",num1+num2)
elif n==2:
print(num1,"-",num2,"=",num1-num2)
elif n==3:
print(num1,"*",num2,"=",num1*num2)
elif n==4:
print(num1,"/",num2,"=",num1/num2)
else:
print("Invalid choice")