# Untitled

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May 31st, 2019
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1. print("Simple python calculator (Task 2)")
2. print("Choose what to do:")
4. print("2-Subtract")
5. print("3-Multiply")
6. print("4-Divide")
7.
8. transaction = input("Enter transaction(1/2/3/4):") #asking user to choose transaction number
9.
10. if transaction not in ('1', '2', '3', '4'): #if user's choice is not between transactions 1-4 print "invalid"
11.     print("Invalid input")
12.
13.  #else user's choice is between transactions 1-4 then ask num1 and num2
14.
15. else:
16.     num1 = int(input("Enter 1st number: "))
17.     num2 = int(input("Enter 2nd number: "))
18.
19. #here are the variables of calculation due to user's choice
20.     getsum = num1 + num2
21.     subtract = num1 - num2
22.     multiply = num1 * num2
23.     divide = num1 / num2
24.
25.     if transaction == '1' or transaction == '+':
26.         print(getsum)
27.
28.     elif transaction == '2' or transaction == '-':
29.         print(subtract)
30.
31.     elif transaction == '3' or transaction == '*':
32.         print(multiply)
33.
34.     elif transaction == '4' or transaction == '/':
35.         print(divide)