python列表操作

列表的常用操作
L = [‘spam’, ‘Spam’, ‘SPAM’]
L = [‘spam’, ‘Spam’, [1,2,3], ‘SPAM’]
L[2], L[-2], L[1:]
L[1]=‘eggs’
L[0:2]=[‘eat’, ‘more’]
L.append(‘please’)
L.sort()
del L[0]
del L[1:]