Merge 9617317345 into 2aee46f169

Update readme: fix grammatical error in java.md

languages/java.md

@@ -286,7 +286,7 @@ for(dataType item : array) {
 
 ### ACCESS MODIFIERS
 
-1. defualt(No keyword required)
+1. default(No keyword required)
 2. private
 3. public
 4. protected

languages/python.md

@@ -125,6 +125,27 @@
 |  \|= | bitwise or and store|
 |  , | separator as in   ( y=x,z=++x )|
 
+<br>
+
+## Comments
+
+- Comments are very helpful to explain a Python code.
+
+- They are used to make the code more readable.
+
+- They never get executed.
+
+- Comments start with # in Python.
+
+    ```python
+    
+    #This is a comment
+
+    print("Welcome!")
+    
+    ```
+<br>
+
 ### Basic Data Structures
 
 ### List