)
print c #输出['A', 'E', 'B', 'C', 'D']
也可以删除list末尾的元素
c.pop()
print c #输出['A', 'E', 'B', 'C']
也可以把元素替换成别的元素...因为tuple不可变,所以代码更安全。如果可能,能用tuple代替list就尽量用tuple。...:在字典中,用键来迭代更加容易。...legs' % (animal, legs)
# Prints "A person has 2 legs", "A spider has 8 legs", "A cat has 4 legs"
#如果你想要访问键和对应的值...** 2 for x in nums if x % 2 == 0}
print even_num_to_square # Prints "{0: 0, 2: 4, 4: 16}"
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切片
python