altered coding standard

app.py

+
+from scripts.servieces.main import shapes
+
+print("program for finding area and perimeter of shapes")
+shapes()

requirements

+python 3.9.13
\ No newline at end of file

shapes/circle.py → scripts/core/handler/circle.py

+from scripts.constants import constant_values
+
+
 # inheriting exception class
 class Check(Exception):
     pass
@@ -16,7 +19,7 @@ class Area(Circle):
 
     def circle_area(self):
         try:
-            print(3.14 * self.radius * self.radius)
+            print("area=", constant_values.pi * self.radius * self.radius)
         except Check:
             print("\n exception occurred")
 
@@ -29,6 +32,6 @@ class Perimeter(Circle):
 
     def circle_perimeter(self):
         try:
-            print(2 * 3.14 * self.radius)
+            print("perimeter=", 2 * constant_values.pi * self.radius)
         except Check:
             print("\n exception occurred")

shapes/rectangle.py → scripts/core/handler/rectangle.py

@@ -16,7 +16,7 @@ class Area(Rectangle):
 
     def rectangle_area(self):
         try:
-            print(self.length * self.breadth)
+            print("area", self.length * self.breadth)
         except Check:
             print("\n exception occurred")
 
@@ -28,6 +28,6 @@ class Perimeter(Rectangle):
 
     def rectangle_perimeter(self):
         try:
-            print(2 * (self.length + self.breadth))
+            print("perimeter=", 2 * (self.length + self.breadth))
         except Check:
             print("\n exception occurred")

shapes/square.py → scripts/core/handler/square.py

@@ -15,7 +15,7 @@ class Area(Square):
 
     def square_area(self):
         try:
-            print(self.length * self.length)
+            print("area=", self.length * self.length)
         except Check:
             print("\n exception occurred")
 
@@ -27,6 +27,6 @@ class Perimeter(Square):
 
     def square_perimeter(self):
         try:
-            print(self.length * 4)
+            print("perimeter=", self.length * 4)
         except Check:
             print("\n exception occurred")

main.py → scripts/servieces/main.py

-from shapes import square
-from shapes import rectangle
-from shapes import circle
+# importing modules
+from scripts.core.handler import circle, rectangle, square
 
-while True:
+
+def shapes():
+    i = 1
+    while i == 1:
 
         # selecting shape by user
 
-    print("1.square \n 2.rectangle \n  3.circle \n")
+        print("1.square \n 2.rectangle \n  3.circle \n 0.Exit")
         shape = int(input("enter your choice\n"))
 
-    # Exception raise for wrong choice
-
-    if shape > 4 or shape < 0:
-        raise Exception("invalid choice of shape")
-
-    # calling for calculation
+        # calling for calculation of square
         if shape == 1:
             side = float(input("enter side length"))
             square.Area(side).square_area()
             square.Perimeter(side).square_perimeter()
+
+        # calling for calculation of rectangle
+
         elif shape == 2:
             length = float(input("enter the length"))
             breadth = float(input("enter the breadth"))
             rectangle.Area(length, breadth).rectangle_area()
             rectangle.Perimeter(length, breadth).rectangle_perimeter()
+
+            # calling for calculation of circle
+
         elif shape == 3:
             radius = float(input("enter the radius"))
-        circle.Area(20).circle_area()
-        circle.Perimeter(20).circle_perimeter()
+            circle.Area(radius).circle_area()
+            circle.Perimeter(radius).circle_perimeter()
+        elif shape == 0:
+            i = 0