Merge pull request #1778 from sayampradhan/patch-67

Format Document

Author: geekcomputers

AreaOfTriangle.py

@@ -13,5 +13,5 @@
 s = (a + b + c) / 2
 
 # calculate the area
-area = (s*(s-a)*(s-b)*(s-c)) ** 0.5
-print('The area of the triangle is: ' + area)
+area = (s * (s - a) * (s - b) * (s - c)) ** 0.5
+print("The area of the triangle is: " + area)