How can I use a global variable in a function? - Stack Overflow Since local variables are more common than global variables in any serious and non-trivial system, Python's system makes more sense in most cases You could have a language which attempted to guess, using a global variable if it existed or creating a local variable if it didn't
python - Using global variables between files? - Stack Overflow If instead of thinking of a "global variable" as being a "global" variable and instead think of it as a "module" variable - then things become clear You can import things from a module from other Python code files, and as such you can share data from a module to multiple other source files using the regular import machinery
python - How to avoid using global variables? - Stack Overflow The term "Pythonic" doesn't apply to this topic--using globals like this is poor practice in any programming language and paradigm and isn't something specific to Python The global keyword is the tool that Python provides for you to opt out of encapsulation and break the natural scope of a variable Encapsulation means that each of your components is a logical, self-contained unit that should
python - Using a global variable with a thread - Stack Overflow How do I share a global variable with thread? My Python code example is: from threading import Thread import time a = 0 #global variable def thread1(threadname): #read variable "a" modify by
How to create module-wide variables in Python? [duplicate] Here is what is going on First, the only global variables Python really has are module-scoped variables You cannot make a variable that is truly global; all you can do is make a variable in a particular scope (If you make a variable inside the Python interpreter, and then import other modules, your variable is in the outermost scope and thus global within your Python session ) All you have
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