flake8 linting

Author: Punit-Choudhary

.github/ISSUE_TEMPLATE/New_Script.md

@@ -14,7 +14,7 @@ assignees: ''
 
 - Use comments and docstrings
 - Make folder if project contains more than one file
-- Lint your code using pylint
+- Lint your code using flake8
 
 **I want to:** (Please add/remove options as per requirement)
 

.github/ISSUE_TEMPLATE/improve_script.md

@@ -15,7 +15,7 @@ assignees: ''
 
 - Use comments and docstrings
 - Make folder if project contains more than one file
-- Lint your code using pylint
+- Lint your code using flake8
 
 **I want to:** (Please add/remove options as per requirement)
 

.github/PULL_REQUEST_TEMPLATE.md

@@ -17,7 +17,7 @@ mention your changes here
 
 
 - [ ] PR is regarding Code
-- [x] I am following clean code and Documentation and my code is well linted with pylint.
+- [x] I am following clean code and Documentation and my code is well linted with flake8.
 - [ ] I am using external libraries and I have created requirements.txt in my project folder
 - [ ] Script is tested and running perfectly fine on my system
 

CONTRIBUTING.md

@@ -13,7 +13,7 @@ Please note we have a [code of conduct](CODE_OF_CONDUCT.md), please follow it in
 ## Pull Request Process
 
 1. **Only make PRs for the Issue assigned to you**
-2. Lint your code using pylint
+2. Lint your code using [flake8](https://flake8.pycqa.org/en/latest/)
 3. Use PR Template
 4. Read [CONTRIBUTE](CONTRIBUTE/README.md)
 

Math/area _of_triangle.py

@@ -1,12 +1,11 @@
 # Three sides of triangle
-side_a = float(input('Enter first side: '))  
-side_b = float(input('Enter second side: '))  
-side_c = float(input('Enter third side: '))  
-  
-# calculate the semi-perimeter
-semi_perimeter = (side_a + side_b + side_c) / 2  
+side_a = float(input('Enter first side: '))
+side_b = float(input('Enter second side: '))
+side_c = float(input('Enter third side: '))
 
-area = (semi_perimeter * (semi_perimeter - side_a) * (semi_perimeter - side_b)\
-        * (semi_perimeter - side_c)) ** 0.5  
-print('The area of the triangle is:', area)   
+# calculate the semi-perimeter
+semi_perimeter = (side_a + side_b + side_c) / 2
 
+area = (semi_perimeter * (semi_perimeter - side_a) * (semi_perimeter - side_b)
+        * (semi_perimeter - side_c)) ** 0.5
+print('The area of the triangle is:', area)