why i get this traceback?

Question

This is part of my code:

if ind_1<>0: rbrcol=[] brdod1=[] for i in range(27): if Add_Cyc_1[1,i]!=0: rbrcol.append(Add_Cyc_1[0,i]) brdod1.append(Add_Cyc_1[1,i]) Probrani_1=vstack((rbrcol,brdod1)) pok=0 for i in (rbrcol): pok+=1 broj1=0 for j in range(21): if SYS_STATE_1[i,j]==0: broj1+=1 if broj1 <= Probrani_1[1,pok-1]: SYS_STATE_1[i,j]=123456

And when i run program i get this:

Traceback (most recent call last): File "C:/Python26/pokusaj2.py", line 157, in <module> for i in (rbrcol): NameError: name 'rbrcol' is not defined

What i do wrong???

Graeme Perrow · Accepted Answer · 2010-01-15 13:52:29Z

I think the real problem is the if at the very top. Your indenting is incorrect - the code as written won't run because the line after the if is not indented.

Assuming it is indented in the original code, then rbrcol is not initialized if ind_1 is 0 and as ghostdog says if the if statement never fires, then rbrcol would not be set at all.

ghostdog74 · Accepted Answer · 2010-01-15 13:48:57Z

just as the error says, "rbrcol" doesn't have value. check your for loop

for i in range(27): if Add_Cyc_1[1,i]!=0: <----- this part doesn't get through rbrcol.append(Add_Cyc_1[0,i]) brdod1.append(Add_Cyc_1[1,i]) Probrani_1=vstack((rbrcol,brdod1))

also, what is Add_Cyc_1 ? To assign multidimension list

Add_Cyc_1[1,i] should be Add_Cyc_1[1][i]

further, this

if ind_1<>0: <<--- if this is not true, then rbrcol will not be defined rbrcol=[] << --- <> should be != , although <> its also valid, but now ppl use != brdod1=[]

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