Read its nth character in a text file

Read its n^th character in a text file
- Python for Integrated Circuits -
- An Online Book -

Python for Integrated Circuits http://www.globalsino.com/ICs/

Chapter/Index: Introduction | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Appendix

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Read its first character in a text file: code:
          List all immediate subfolders
Input A:

Output A:

Input B:

Output B:

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