Error `is not defined` in python programming

Question

I have a recurring error in my code:

line 424, in <module>
menu() line 50, in menu
main1v1() line 396, in main1v1
showPoints(playerTile, opponentTile)
line 307, in showPoints
scores = getScoreOfBoard(mainBoard)
NameError: name 'mainBoard' is not defined

I cannot seem to fix it. These two definitions are where the trouble is I believe. I am currently coding for a game called Othello, but now when I am trying to create a 1v1 instead of the previous 1vAI it creates some problems.

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– Right leg, Commented Jul 26, 2017 at 8:29

Rahul · Accepted Answer · 2017-07-26 08:10:55Z

3

Your function showPoints1v1 uses variable mainBoard but it is neither defined inside that, nor is an argument. You need to define it or pass it as an argument while calling it.

answered Jul 26, 2017 at 8:10

Rahul

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3 Comments

PythonGirl Over a year ago

oh ty, so you mean I just add it as an argument in the def showPoints1v1(playerTile, opponentTile, mainBoard

Rahul Over a year ago

Yes. That the way if you want to use mainBoard inside your showPoints1v1 function.

gionni Over a year ago

Or use global, even though I personally don't like it

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