[Tutor] Blackjack Betting

[Vincent Balmori]

Also I must be doing something wrong if I have to enter a "bet = Bet()" into
each function where it is used. I tried putting Bet into the other classes'
arguments but it did not have any effect.


Emile van Sebille wrote:
> 
> On 7/1/2011 12:51 AM Andre Engels said...
> 
>> In this case, the error message says:
>>
>> NameError: global name 'bet' is not defined
> 
> Note use of the term global?
> 
>>
>> That means, at some time at the program, it is told to do something with
>> 'bet', but there is no variable bet. And when does that happen? That too
>> is told: at line 124, which says:
>>
>> bet.stash -= bet.wager
>>
>> Go to that line and read your code yourself - what is this 'bet' of
>> which the stash is to be lessened by its wager? Have you told your
>> program that this is the value of the variable 'bet'? Where and how?
> 
> Further, because global is used, it tells you that 'bet' is not in the 
> local scope, nor in the global scope.  Python's general scoping 
> resolution rule is local-global-builtin.  So bet, wherever you think it 
> may be defined, lives in a different namespace.
> 
> See http://docs.python.org/tutorial/classes.html
> 
> Emile
> 
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