Add Online Playground of Programiz PRO for Python and C (#11136)

* Added Online Playground for Python and C

* Added Online Playground for Python and C.

* Added Online Playground for Python and C

* Updated correct urls of Programiz PRO C and Python Playgrounds

* Update more/free-programming-playgrounds.md

Co-authored-by: Eric Hellman <eric@hellman.net>

* Update more/free-programming-playgrounds.md

Changed Name to remove confusion on Programiz and Programiz PRO

Co-authored-by: Eric Hellman <eric@hellman.net>

* Update free-programming-playgrounds.md

Changed the order to remove linter error

* Update more/free-programming-playgrounds.md

Made change as per the suggestion

Co-authored-by: Eric Hellman <eric@hellman.net>

* Update more/free-programming-playgrounds.md

Made changes as per the suggestion

Co-authored-by: Eric Hellman <eric@hellman.net>

---------

Co-authored-by: Eric Hellman <eric@hellman.net>

more/free-programming-playgrounds.md

@@ -82,9 +82,10 @@
 
 ### <a id="c"></a>C
 
+* [C Playground](https://programiz.pro/ide/c) - Programiz PRO
 * [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/)
+* [Online C Compiler](https://www.programiz.com/c-programming/online-compiler/) - Programiz
 * [SoloLearn](https://code.sololearn.com/c)
 
 
@@ -308,11 +309,12 @@
 * [Codepad](http://codepad.org/?lang=Python)
 * [InterviewBit - Online Python Compiler IDE](https://www.interviewbit.com/online-python-compiler/)
 * [Online Python](https://www.online-python.com)
+* [Online Python Compiler](https://www.programiz.com/python-programming/online-compiler/) - Programiz
 * [Online Python Compiler](https://www.tutorialspoint.com/online_python_compiler.php) - Tutorialspoint
 * [OnlineGDB](https://www.onlinegdb.com/online_python_compiler)
-* [Programiz.com](https://www.programiz.com/python-programming/online-compiler/)
 * [Pynative.com](https://pynative.com/online-python-code-editor-to-execute-python-code/)
 * [Python Online Compilers](https://www.codinguru.online/compiler/python)
+* [Python Playground](https://programiz.pro/ide/python) - Programiz PRO
 * [Python Trinket](https://trinket.io/python)
 * [Python Tutor](https://pythontutor.com)
 * [Python.org Shell](https://www.python.org/shell)