python杂记

标签：span   python   asc   tuple   zip   字典   dict   pytho   ict   

1. ord

将char转换为ascii码

print ord(‘a‘)
97

2. zip

>>> x = [ord(‘a‘), ord(‘b‘)]
>>> y = [‘a‘, ‘b‘, ‘c‘]

>>> xy = zip(x,y)
>>> print xy
[(97, ‘a‘), (98, ‘b‘)]

>>> z = zip(*xy)
>>> print z
[(97, 98), (‘a‘, ‘b‘)]

3. dict

字典，可以将tuple的list转为dict

>>> print dict(zip(x,y))
{97: ‘a‘, 98: ‘b‘}

待续

python杂记

标签：span   python   asc   tuple   zip   字典   dict   pytho   ict   

原文地址：http://www.cnblogs.com/coralyms/p/7078520.html