1 table= [ [ 0 for i in range(6) ] for j in range(6) ] #定義一個6x6 數組元素為零的數組 2 print table 3 for d1 in range(6): #外循環 4 for d2 in range(6): #內循環 5 table[d1][d2]= d1+d2+2 #嵌套循環執行語句 6 print table
[[0, 0, 0, 0, 0, 0], [0, 0, 0, 0, 0, 0], [0, 0, 0, 0, 0, 0], [0, 0, 0, 0, 0, 0], [0, 0, 0, 0, 0, 0], [0, 0, 0, 0, 0, 0]] [[2, 3, 4, 5, 6, 7], [3, 4, 5, 6, 7, 8], [4, 5, 6, 7, 8, 9], [5, 6, 7, 8, 9, 10], [6, 7, 8, 9, 10, 11], [7, 8, 9, 10, 11, 12]]
r=[ 4*[0] for i in range(3) ] # [[0,0,0,0],[0,0,0,0],[0,0,0,0]]