ValueError: too many values to unpack,>>>

Bruno Desthuilliers bdesth.quelquechose at free.quelquepart.fr
Thu Sep 27 21:50:26 CEST 2007


Shawn Minisall a écrit :
> Fredrik Lundh wrote:
> 
>> Shawn Minisall wrote:
>>
>>  
>>
>>> Sorry, it looks like it's on the fourth line with the 3 values on 
>>> line 4...its reading line 3 fine
>>>
>>> Traceback (most recent call last):
>>>   File "<pyshell#0>", line 1, in <module>
>>>     main()
>>>   File "I:\COMPUTER PROGRAMMING CLASS\PROJECT #1\project1.py", line 
>>> 33, in main
>>>     deposit1, deposit2, deposit3 = string.split(line, "\t")
>>> ValueError: too many values to unpack
>>>     
>>
>>
>> instead of fumbling around in the dark, try inserting a print 
>> statement before the offending line, so you can see what you're trying 
>> to unpack:
>>
>>      print string.split(line, "\t") # see what it is
>>      deposit1, deposit2, deposit3 = string.split(line, "\t")
>>
>> </F>
>>   
> 
> I did and it printed everything up until the 3rd line with 3 numbers for 
> deposits.  I have since figured it out...the teacher put in an extra tab 
> after the last value so python thought it was 4 values for three.  I 
> went back into the file and deleted the extra tab after the 3rd number 
> and saved it...now it's working fine.
> I'm going to kill her...

You'd better learn how to deal with "this-cant-happen-here" situation, 
because it's how it is in real-life.




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