To initialize a two-dimensional list in Python, use t = [ [0]*3 for i in range(3)]. But don't use [[v]*n]*n , it is a trap! ... <看更多>

Initialize 2D Array /List in Python. GitHub Gist: instantly share code, notes, and snippets. ... <看更多>

In this tutorial we will learn how to create two dimensional list / array in python and how to accept values in a matrix. ... <看更多>

First off don't use multiplication . It's creates 2 lists, not 7001. To better show this, hop into IDLE: >>> a = [[0] * 3] * 3 >>> a [[0, 0, ... ... <看更多>

Python complains about the lacking argument for the parameter DNA ... The function then returns the updated two-dimensional list of sequences to the ... ... <看更多>