python - Why can I not use multiple statements in for loop in the following way? - 


for x in chats:         a.append(x[0])         b.append(x[1])         dialogues.append(x[2])

it throws error : inconsistent use of tabs , spaces in indentation

for indentation, must use either tabs of spaces, not both intermixed.

most of python community uses multiples of 4 spaces. editors mix things.


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