Create 1001S02E03_calculator.py

Author: evans1989

1901060026/1001S02E03_calculator.py

@@ -0,0 +1,46 @@
+# Filename : calculator.py
+# Author by : Evans
+
+# Define the function
+def add (x , y):
+    """add"""
+    return x + y
+
+def subtract(x , y):
+    """subtract"""
+    return x - y
+
+def multiply(x , y):
+    """muliply"""
+    return x * y
+
+def divide(x , y) :
+    """divide"""
+    return x / y
+
+# User input
+print("Choose function")
+print("1.Add")
+print("2.Subtract")
+print("3.Multiply")
+print("4.Divide")
+
+choice = input("Input your choice(1/2/3/4):")
+
+num1 = float(input("Input the first number:"))
+num2 = float(input("Input the 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("Error")