L = [ ['Apple', 'Google', 'Microsoft'], ['Java', 'Python', 'Ruby', 'PHP'], ['Adam', 'Bart', 'Lisa'] ]
print(L[0][0])print(L[-3][-3]) print(L[1][1]) print(L[-2][1]) print(L[2][2]) print(L[-1][-1])
在此插入代码
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大圣未悟空
L = [ ['Apple', 'Google', 'Microsoft'], ['Java', 'Python', 'Ruby', 'PHP'], ['Adam', 'Bart', 'Lisa'] ]
print(L[0][0])
print(L[-3][-3]) print(L[1][1]) print(L[-2][1]) print(L[2][2]) print(L[-1][-1])