new file structure v2

app.py

-# Importing modules rectangle, circle, square from scripts
-from scripts.core import Circle, Rectangle, Square
+from scripts.services.main_service import shapes
 
-# User Inputs
-while True:
-    # checks for calculation choice error
-    error = 0
-
-    shape_choice = input("Enter rectangle/ circle/ square/ quit")
-    if shape_choice == 'quit':
-        break
-    calculation_choice = input("Enter area/ perimeter")
-
-    # choice is rectangle
-    if shape_choice == 'rectangle':
-        rect_length = int(input("Enter the length"))
-        rect_breadth = int(input("Enter the breadth"))
-        if calculation_choice == 'area':
-            print(f'Area : {Rectangle.Area(rect_length, rect_breadth).display_area()}')
-        elif calculation_choice == 'perimeter':
-            print(f'Perimeter : {Rectangle.Perimeter(rect_length, rect_breadth).display_perimeter()}')
-        else:
-            error = 1
-
-    # choice is circle
-    elif shape_choice == 'circle':
-        circle_radius = int(input("Enter the radius"))
-        if calculation_choice == 'area':
-            print(f'Area : {Circle.Area(circle_radius).display_area()}')
-        elif calculation_choice == 'perimeter':
-            print(f'Perimeter : {Circle.Perimeter(circle_radius).display_perimeter()}')
-        else:
-            error = 1
-
-    # choice is square
-    elif shape_choice == 'square':
-        square_side = int(input("Enter the side"))
-        if calculation_choice == 'area':
-            print(f'Area : {Square.Area(square_side).display_area()}')
-        elif calculation_choice == 'perimeter':
-            print(f'Perimeter : {Square.Perimeter(square_side).display_perimeter()}')
-        else:
-            error = 1
-
-    # invalid choice
-    else:
-        print("Please check the spelling.....")
-
-    # invalid calculation choice
-    if error == 1:
-        print("Calculation choice error....")
+# calling services
+print("This program is to find the area and perimeter of shapes.....")
+shapes()

scripts/services/main_service.py

+# Importing modules rectangle, circle, square from scripts
+from scripts.core.handlers import Circle, Rectangle, Square
+
+
+# User Inputs
+def shapes():
+    while True:
+        # checks for calculation choice error
+        error = 0
+
+        shape_choice = input("Enter rectangle/ circle/ square/ quit")
+        if shape_choice == 'quit':
+            break
+        calculation_choice = input("Enter area/ perimeter")
+
+        # choice is rectangle
+        if shape_choice == 'rectangle':
+            rect_length = int(input("Enter the length"))
+            rect_breadth = int(input("Enter the breadth"))
+            if calculation_choice == 'area':
+                print(f'Area : {Rectangle.Area(rect_length, rect_breadth).display_area()}')
+            elif calculation_choice == 'perimeter':
+                print(f'Perimeter : {Rectangle.Perimeter(rect_length, rect_breadth).display_perimeter()}')
+            else:
+                error = 1
+
+        # choice is circle
+        elif shape_choice == 'circle':
+            circle_radius = int(input("Enter the radius"))
+            if calculation_choice == 'area':
+                print(f'Area : {Circle.Area(circle_radius).display_area()}')
+            elif calculation_choice == 'perimeter':
+                print(f'Perimeter : {Circle.Perimeter(circle_radius).display_perimeter()}')
+            else:
+                error = 1
+
+        # choice is square
+        elif shape_choice == 'square':
+            square_side = int(input("Enter the side"))
+            if calculation_choice == 'area':
+                print(f'Area : {Square.Area(square_side).display_area()}')
+            elif calculation_choice == 'perimeter':
+                print(f'Perimeter : {Square.Perimeter(square_side).display_perimeter()}')
+            else:
+                error = 1
+
+        # invalid choice
+        else:
+            print("Please check the spelling.....")
+
+        # invalid calculation choice
+        if error == 1:
+            print("Calculation choice error....")