Python is "default local" - Python example

Introduction to Python example from a Well House Consultants training course
More on Introduction to Python [link]

This example is described in the following article(s):
• Default local - a good choice by the author of Python - [link]

Source code: scope Module: Y101

# Python is "default local"

value = 17.7 # value in main code

def counter():
        value = 7 # local to function (in Python, THANK GOODNESS!)
        return 3 * value
cx = counter()
print("The value is",value,"and the counter gave me",cx)

def counter():
        global value
        value = 7 # this one shared with main code
        return 3 * value
cx = counter()
print("The value is",value,"and the counter gave me",cx)

""" Shared with main code / Sample output

WomanWithCat:y101 grahamellis$ python2 scope
('The value is', 17.7, 'and the counter gave me', 21)
('The value is', 7, 'and the counter gave me', 21)
WomanWithCat:y101 grahamellis$ python3 scope
The value is 17.7 and the counter gave me 21
The value is 7 and the counter gave me 21
WomanWithCat:y101 grahamellis$

"""

Learn about this subject

This module and example are covered on the following public courses:
* Deploying LAMP - Linux, Apache, MySQL, Perl/PHP
* Linux Web Server
* Learning to program in Python
* Python Programming
Also available on on site courses for larger groups

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