cal.py

cal.py

@@ -0,0 +1,32 @@
+# Program make a simple calculator that can add, subtract, multiply and divide using functions
+# This function adds two numbers 
+def add(x, y):
+   return x + y
+# This function subtracts two numbers 
+def subtract(x, y):
+   return x - y
+# This function multiplies two numbers
+def multiply(x, y):
+   return x * y
+# This function divides two numbers
+def divide(x, y):
+   return x / y
+print("Select operation.")
+print("1.Add")
+print("2.Subtract")
+print("3.Multiply")
+print("4.Divide")
+# Take input from the user 
+choice = input("Enter choice(1/2/3/4):")
+num1 = int(input("Enter first number: "))
+num2 = int(input("Enter second number: "))
+if choice == '1':
+   print(num1,"+",num2,"=", add(num1,num2))
+elif choice == '2':
+   print(num1,"-",num2,"=", subtract(num1,num2))
+elif choice == '3':
+   print(num1,"*",num2,"=", multiply(num1,num2))
+elif choice == '4':
+   print(num1,"/",num2,"=", divide(num1,num2))
+else:
+   print("Invalid input")