PS2

1.py

@@ -0,0 +1,8 @@
+from circle import Circle
+import math
+r = 2
+ins = Circle(r)
+print(ins.circle_perimeter())
+print(round((math.pi * 2 * r), 2))
+print(round((math.pi * r**2), 2))
+print(ins.circle_area())

circle.py

@@ -0,0 +1,18 @@
+import math
+
+class Circle:
+    def __init__(self, radius):
+        self.radius = radius
+
+    def circle_area(self):
+        return round((math.pi * self.radius**2), 2)
+
+    def circle_perimeter(self):
+        return round((math.pi * self.radius * 2), 2)
+
+circle_instance = Circle(1)
+check = circle_instance.circle_area()
+check2 = circle_instance.circle_perimeter()
+
+print(check)
+print(check2)

flask_app.py

@@ -1,6 +1,7 @@
 from flask import Flask, render_template, request
 
 from helper import perform_calculation, convert_to_float
+from circle import Circle
 
 app = Flask(__name__)  # create the instance of the flask class
 
@@ -38,3 +39,24 @@ def calculate():
             return render_template('calculator.html', printed_result="You cannot divide by zero")
 
     return render_template('calculator.html')
+
+@app.route('/circle', methods=['GET', 'POST'])
+def calculate_circle():
+    radius = ''  # Set a default value for radius as empty string
+    if request.method == 'POST':
+        # using the request method from flask to request the values that were sent to the server through the POST method
+        radius = request.form.get('radius')
+
+    try:
+        radius = convert_to_float(value=radius)
+    except ValueError:
+        return render_template('circle.html', printed_result_area="Please type digits")
+
+
+    if radius is not None:
+        create_circle = Circle(float(radius))  # Convert radius to float
+        calc_area = create_circle.circle_area()
+        calc_per = create_circle.circle_perimeter()
+        return render_template('circle.html', printed_result_area=str(calc_area), printed_result_per=str(calc_per))
+    else:
+        return render_template('circle.html', printed_result="Radius not provided")

templates/circle.html

@@ -0,0 +1,19 @@
+{% extends 'layout.html' %}
+{% block content %}
+	<h1>Circle</h1>
+    <form method="post">
+        <input type="text" name="radius" placeholder="Enter the radius" required="required" />
+
+        <button type="submit">Calculate</button>
+    </form>
+
+   <br>
+
+  {% if printed_result_area is defined %}
+        <p>Area: {{ printed_result_area }}</p>
+    {% endif %}
+    {% if printed_result_per is defined %}
+        <p>Perimeter: {{ printed_result_per }}</p>
+    {% endif %}
+{% endblock %}
+

test_circle.py

@@ -0,0 +1,14 @@
+from circle import Circle
+import math
+r = 2
+ins = Circle(r)
+print(ins.circle_perimeter())
+
+# Testing Perimeter function
+assert ins.circle_perimeter() == round((math.pi * 2 * r), 2)
+
+# Testing Area function
+assert ins.circle_area() == round((math.pi * r**2), 2)
+
+
+