unable to add ia single element into a 2d python list -


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hi i'm afraid basic question can't work - trying change single entry in 2d array adding 3 - driving me nutty - please tell me doing wrong (see following)

list1 = [["0"]*5]*3 print (list1)  list1[0][0] = "r" print (list1)

this giving me output follows "r" repeated in positon 0 3 times

[['r', '0', '0', '0', '0'], ['r', '0', '0', '0', '0'], ['r', '0', '0', '0', '0']]


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