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up vote 1 down vote favorite

How do I get numpy array into python list?

looking for ('foo', 1, 2, 3, 4) series is a numpy array

symbol = 'foo'

def rowp (symbol,series):
            rowp=[]
            series = series[0:4]
            ss = series.tolist     
            rowp.append(symbol)     
            rowp.append(ss)      
            print rowp

I get error:

['foo', <built-in method tolist of numpy.ndarray object at 0x05D07D40>]
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2  
call the function!!!! –  JBernardo Sep 12 '11 at 0:28
    
ok, But now I get ('foo', [1,2,3,4]) .....its late here....I thought I had called it..... How do I get ('foo', 1, 2, 3, 4) –  Merlin Sep 12 '11 at 0:32
    
use rowp.extend instead of append. Create a new question for these things –  JBernardo Sep 12 '11 at 0:34

1 Answer 1

up vote 5 down vote accepted

As you can already see by the error message, tolist [docs] is a method. That means you have to call it: 

ss = series.tolist()

Update: Use extend instead of append:

rowp.extend(series.tolist())

Btw, the result you get is not an error.

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