Adding circle_class.py

Circle class which can be constructed by either radius or diameter and has a method to compute the perimeter and area

circle_class.py

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+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+# script by Ruchir Chawdhry
+# released under MIT License
+# github.com/RuchirChawdhry/Python
+# ruchirchawdhry.com
+# linkedin.com/in/RuchirChawdhry
+
+"""
+Define a class 'Circle' which can be constructed by either radius or diameter.
+The 'Circle' class has a method which can compute the area and perimeter.
+"""
+
+import math
+
+
+class Circle:
+    def __init__(self, radius=0, diameter=0):
+        self.radius = radius
+        self.diameter = diameter
+
+    def _area(self):
+        if self.diameter:
+            self.radius = self.diameter / 2
+        return math.pi * (self.radius * self.radius)
+
+    def _perimeter(self):
+        if self.diameter:
+            self.radius = self.diameter / 2
+        return 2 * math.pi * self.radius
+
+    def compute(self):
+        return [self._area(), self._perimeter()]
+
+
+if __name__ == "__main__":
+    c = Circle(diameter=10)
+    print(f"Area of Cricle: {c.compute()[0]} \nPerimeter of Circle: {c.compute()[1]}")