I have a 2 D tuple (Actually I thought, it was a list.. but the error says its a tuple) But anyways.. The tuple is of form: (floatnumber_val, prod_id) now I have a dictionary which contains key-> prod_id and value prod_name now.. i want to change the prod_id in tuple to prod_name So this is waht I did

#if prodName is the tuple
# prodDict is the dictionary
for i in range(len(prodName)):key = prodName[i][1] # get the prodidif prodDict.has_key(key):value = prodDict[key]prodName[i][1] = value

umm pretty straightforward but i get an error that TypeError: 'tuple' object does not support item assignment

Thanks!!

Tuples are not mutable, you cannot change them.

The thing to do is probably to find out why you are creating tuples instead of the list you expected.