In [1]: x=list(range(1, 13, 2))
In [2]: x + ['b', 'a']
Out[2]: [1, 3, 5, 7, 9, 11, 'b', 'a']

In [7]: x2=[3, 6, 1]
In [8]: x.extend(x2)
In [9]: x
Out[9]: [1, 3, 5, 7, 9, 11, 3, 6, 1, 3, 6, 1, 3, 6, 1]

In [10]: a=[1, 5, 3, -3, 0]
 
In [11]: a.sort()
 
In [12]: a
Out[12]: [-3, 0, 1, 3, 5]
 
In [13]: s=['a','ab','3e','z']
 
In [14]: s.sort()
 
In [15]: s
Out[15]: ['3e', 'a', 'ab', 'z']

In [16]: b=['a','nl','drz','mowgt','aa']
 
In [17]: b.sort(key=len)
 
In [18]: b
Out[18]: ['a', 'nl', 'aa', 'drz', 'mowgt']

In [21]: b.sort(key= lambda x:x[0], reverse=True)
 
In [22]: b
Out[22]: ['nl', 'mowgt', 'drz', 'a', 'aa']

In [23]: import bisect
 
In [24]: c=[1,2,1,-1,4,5]
 
In [25]: c.sort()
 
In [26]: bisect.bisect(c, 2)
Out[26]: 4
 
In [27]: bisect.insort(c, 4)
 
In [28]: c
Out[28]: [-1, 1, 1, 2, 4, 4, 5]

In [35]: d=[x for x in range(10)]
 
In [36]: d
Out[36]: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
 
In [37]: e=d[:8:2]
 
In [38]: e
Out[38]: [0, 2, 4, 6]

In [40]: f=d[::-1]
 
In [41]: f
Out[41]: [9, 8, 7, 6, 5, 4, 3, 2, 1, 0]

In [43]: #for i value in enumerate(collection):
 
In [44]: #用 i, value 做一些事情
In [49]: slist=['qin', 'wang', 'wqc']
 
In [50]: mapping = dict((v, i) for i, v in enumerate(list))
 
In [51]: mapping
Out[51]: {'qin': 0, 'wang': 1, 'wqc': 2}

In [59]: sorted(['z', 'd', 'c', 'n'])
Out[59]: ['c', 'd', 'n', 'z']
 
In [60]: sorted('my name is chaogo')
Out[60]:
[' ',
 ' ',
 ' ',
 'a',
 'a',
 'c',
 'e',
 'g',
 'h',
 'i',
 'm',
 'm',
 'n',
 'o',
 'o',
 's',
 'y']

In [61]: set(sorted('my name is chaogo'))
Out[61]: {' ', 'a', 'c', 'e', 'g', 'h', 'i', 'm', 'n', 'o', 's', 'y'}
 
In [62]: sorted(set('my name is chaogo'))
Out[62]: [' ', 'a', 'c', 'e', 'g', 'h', 'i', 'm', 'n', 'o', 's', 'y']
 
In [63]: set('my name is chaogo')
Out[63]: {' ', 'a', 'c', 'e', 'g', 'h', 'i', 'm', 'n', 'o', 's', 'y'}

In [77]: seq1 = ['chao', 'qing', 'wq']
 
In [78]: seq2 = ['qin', 'wang', 'qc']
 
In [79]: for i , (a,b) in enumerate(zip(seq1, seq2)):
  ...:   print('%d: %s %s' % (i, a, b))
  ...:
0: chao qin
1: qing wang
2: wq qc

In [86]: pitchers = [('a','b'), (1,2), ('tmd','bat')]
 
In [87]: one, two = zip(*pitchers)
 
In [88]: one
Out[88]: ('a', 1, 'tmd')
 
In [89]: two
Out[89]: ('b', 2, 'bat')

In [92]: [x for x in reversed([1, 2, 5, 3, -1])]
Out[92]: [-1, 3, 5, 2, 1]