Create app.py

app.py

@@ -0,0 +1,88 @@
+def add(a, z):
+
+    return a + z
+
+
+
+# This function takes two numbers and subtracts them.
+
+def subtract(a, z):
+
+    return a - z
+
+
+
+# This function takes two numbers and multiplies them.
+
+def multiply(a, z):
+
+    return a * z
+
+
+
+# This function takes two numbers and divides them.
+
+def divide(a, z):
+
+    return a / z
+
+
+
+
+print("Select operation.")
+
+print("1.Addition")
+
+print("2.Subtraction")
+
+print("3.Multiplication")
+
+print("4.Division")
+
+
+
+while True:
+
+    # Take input from the user
+
+    choice = input("Enter choice(1/2/3/4): ")
+
+
+
+    # Check to see if your choice is one of the four options
+
+    if choice in ('1', '2', '3', '4'):
+
+        numb1 = float(input("Enter first number: "))
+
+        numb2 = float(input("Enter second number: "))
+
+
+
+        if choice == '1':
+
+            print(numb1, "+", numb2, "=", add(numb1, numb2))
+
+
+
+        elif choice == '2':
+
+            print(numb1, "-", numb2, "=", subtract(numb1, numb2))
+
+
+
+        elif choice == '3':
+
+            print(numb1, "*", numb2, "=", multiply(numb1, numb2))
+
+
+
+        elif choice == '4':
+
+            print(numb1, "/", numb2, "=", divide(numb1, numb2))
+
+        input()
+
+    else:
+
+        print("Invalid Input")