32123 发表于 2016-8-9 10:18:56

python 列表提取

a =
print (a[:])
print (a[:4])
print (a[:-1])
print (a)
print (a[-3:])
print (a)
print (a)
print (a[-3:-1])
print (a[::-1])
print (a[::2])
print (a)
print (a[::-2])

















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