Updated the Resources Alphabetically (#6816)

more/free-programming-playgrounds.md

@@ -62,6 +62,7 @@
 
 ### <a id="c"></a>C
 
+* [InterviewBit - Online C Compiler IDE](https://www.interviewbit.com/online-c-compiler/)
 * [JDoodle - Online C Compiler IDE](https://www.jdoodle.com/c-online-compiler/)
 * [Programiz - Online C Compiler](https://www.programiz.com/c-programming/online-compiler/)
 * [SoloLearn](https://code.sololearn.com/c)
@@ -152,6 +153,7 @@
 
 ### Java
 
+* [InterviewBit - Online Java Compiler IDE](https://www.interviewbit.com/online-java-compiler/)
 * [JDoodle - Online Java Compiler Advanced IDE](https://www.jdoodle.com/online-java-compiler-ide/)
 * [JDoodle - Online Java Compiler IDE](https://www.jdoodle.com/online-java-compiler/)
 * [Programiz - Online Java Compiler](https://www.programiz.com/java-programming/online-compiler/)
@@ -166,6 +168,7 @@
 * [Esfiddle](https://esfiddle.net)
 * [Grasshopper](https://grasshopper.app) *(Google account required)*
 * [Hello Website - (Glitch)](https://glitch.new/website) *(Account requested, not required)*
+* [InterviewBit - Online JavaScript Compiler IDE](https://www.interviewbit.com/online-javascript-compiler/)
 * [JSBin](https://jsbin.com)
 * [JSFiddle](https://jsfiddle.net)
 * [Plunker](https://plnkr.co)
@@ -231,6 +234,7 @@
 ### Python
 
 * [Codepad](http://codepad.org/?lang=Python)
+* [InterviewBit - Online Python Compiler IDE](https://www.interviewbit.com/online-python-compiler/)
 * [Programiz.com](https://www.programiz.com/python-programming/online-compiler/)
 * [Python Trinket](https://trinket.io/python)
 * [Python.org Shell](https://www.python.org/shell)