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python学习网 2017-10-19 18:47:07

print(i, end = ' ')

隔一个空格打印.

continue:终止本轮循环,开始下一轮循环

pass:跳过一个块,继续接下的代码
break:退出循环
 
append

extend用于添加两个以上:

1 >>>member.extend(['zzz','aaa'])
2 >>>member
3 ['小甲鱼','小布丁','黑夜','迷途','怡静','福禄娃娃','zzz','aaa']

insert:

删除元素 (1) remove

1 member.remove('牡丹')

(2) del

(3) pop

分片

zip:

>>> a = [1,2,3,4,5,6,7,8]
>>> b = [4,5,6,7,8]
>>> zip(a,b)
>>> list(zip(a,b))
[(1, 4), (2, 5), (3, 6), (4, 7), (5, 8)]

 

列表的拷贝

reverse:翻转列表

sort:对列表排序

  元组 typle: 逗号是关键

>>>temp = (1,)
>>>type(temp)
<clsss 'tuple'>
>>>temp = 1,

 format

>>>'{0:.1f}{1}'.format(27.658,'GB')
'27.7GB'

sum

>>>tuple1 = (3,2,4)
>>>sum(tuple1)
9

 

 

 

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