Python variable made out of with only uppercases

Question

I recently bought a book called "Black Hat Python". However, I found that some variables are only made out of uppercase and the book was using it like a global variable. Is there any feature in python that globalize variable by making a variable with only upper cases?

This is just a convention, usually for constants (a fixed value not modified by the code), not always used . For example I sometimes use MAX when I need to store a max value not to conflict with the builtin max, which doesn't make it a global nor immutable variable ;) — mozway
– mozway, Commented Jun 4, 2022 at 8:41

user17278585 · Accepted Answer · 2022-06-04 08:20:11Z

0

As of now, there is no such method. Rather you could define a global variable using the global keyword.

Here is an example:

def myfunction():
    global s
    s += ' Hello World'
    print(s)
    s = "I love python"
    print(s)
 
# Global Scope
s = "Python is great!"
f()
print(s)

You can refer to this link for reference - link

answered Jun 4, 2022 at 8:20

user17278585

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Comments

jamreg · Accepted Answer · 2022-06-04 08:26:01Z

-1

There is no any difference for python how you set your variable. Uppercase may be used just for visual explanation.

You can read more about it via link:

-> Python variables

answered Jun 4, 2022 at 8:26

jamreg

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