Global access to a variable inside a function/class from outside of the function/class

Global Access to a Variable inside a Function/Class from outside of the Function/Class
- 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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List all the directories which have a specific name and then open them ("the 'theListOfDirectories' becomes accessable by defining it as a global variable"): Code:
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Output:

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Get mouse position/coordinates on click from an image, and then store them as a list . Code:
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Input:

Output:

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Global Access to the local variable with "global": Code:
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Output:

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Global Access to the local variable with "global": Code:
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Output:

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A problem and its solution: UnboundLocalError: local variable 'number' referenced before assignment. Code.
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     Solution: we either can use 'global' keyword or global() function: Code.

     Output:

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Access a function variable from outside without using "global": Code:
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Output:

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Code ranking: D. Access a function variable from outside with a function decorator (but makes the code hard to maintain): Code:
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Output:

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Access a single variable inside a function: Code:
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Output:

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Access a dictionary inside a function: Code:
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Output:

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Global Access to the local variable in a dictionary with globals(): Code:
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Output:

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Access a local variable inside a function externally: Code:
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Output:

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Access the local attribute externally: Code:
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Output:

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Global Access to the returned local variable only: Code:
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Output:

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Access the attributes in a class: Code:
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Output:

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