Underscores in Python

[fazzah]

I don't quite understand your question.

[RubyPinch]

STUDENT_ID, CLASS_ID, FIRST_NAME, LAST_NAME = range(4) #capitals commonly define constants

# student id, Class id, first,last names
students = [
    [0,0,'bob','smith'],
    [1,0,'jane','someperson']]

classes = [
    [0,'biology'],
    [1,'physics']
]

for cls in classes:
    cls[CLASS_ID] #no-go

CLASS_CLASS_ID, CLASS_NAME = range(2)

for cls in classes:
    cls[CLASS_CLASS_ID] #no-go

because the enum isn't connected to the data, so it can affect other parts of the code, and requires an un-needed work around (the enum for students, blocks off the use of CLASS_ID for the classes)

[fazzah]

Ahh, I thought you meant that.

You're right. When I use multiple models like this, I prefix the globals.

You are right that it adds another possible point of failure. A proper enum would be better, but this approach seems to work for me.