Merge 9617317345 into 8557d4f3d8

adding the at() method

languages/javascript.js

@@ -72,6 +72,7 @@ array.splice(start, deleteCount, item1, item2, ...)  // Adds and/or removes elem
 arr.unshift([element1[, ...[, elementN]]])           // Adds one or more elements to the front of an array and returns the new length of the array.
 
 // Instance: accessor methods
+arr.at(index)                                        // Returns the element at the specified index in the array.
 arr.concat(value1[, value2[, ...[, valueN]]])        // Returns a new array comprised of this array joined with other array(s) and/or value(s).
 arr.includes(searchElement, fromIndex)               // Determines whether an array contains a certain element, returning true or false as appropriate.
 arr.indexOf(searchElement[, fromIndex])              // Returns the first (least) index of an element within the array equal to the specified value, or -1 if none is found.

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