Simple Calculator

This Python program is a simple calculator that allows the user to perform basic arithmetic operations (addition, subtraction, multiplication, and division) with two integer numbers. Here's a description of the program and how to use it:

Description:

1. It prompts the user to enter two integer values, 'a' and 'b', using the input function and converts them into integer data types using int().
   
2. It then prompts the user to choose an operation by entering 'add,' 'sub,' 'mul,' or 'div' using the input function. The user's choice is stored in the 'amal' variable.
   
3. The program uses a series of conditional statements (if-elif-else) to determine which operation to perform based on the 'amal' variable:

• If 'amal' is 'add,' it calculates the sum of 'a' and 'b' and stores the result in the 'c' variable.
• If 'amal' is 'sub,' it calculates the difference of 'a' and 'b' and stores the result in 'c.'
• If 'amal' is 'mul,' it calculates the product of 'a' and 'b' and stores the result in 'c.'
• If 'amal' is 'div,' it calculates the division of 'a' by 'b' and stores the result in 'c.'
• If 'amal' doesn't match any of these operations, it sets 'c' to 'Error.'

4. Finally, the program prints the result 'c' along with the label "Result =".

How to Use:

1. Run the program. Typing:
   

python test.py

2. Enter an integer value for 'a' when prompted.
   
3. Enter another integer value for 'b' when prompted.
   
4. Choose one of the four operations ('add,' 'sub,' 'mul,' or 'div') by entering the corresponding operation as 'amal.'
   
5. The program will calculate the result based on your input and display it as "Result = [value]."
   

For example, if you enter 'a' as 5, 'b' as 3, and 'amal' as 'add,' the program will display "Result = 8" because it performs the addition operation (5 + 3).