dict的基本应用 - python

方法：
1. 定义dict
2. 查询dict里面的内容

很简单的，地球人都懂，不解释了。O(∩_∩)O哈哈~

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IDLE 2.6.2
>>> dic = {0: 'a', 1: 'b', 2: 'c'}
>>> for i in dic:
    print i


0
1
2
>>> for i in dic.keys():
    print dic[i]


a
b
c
>>> dic = {0: ('a', 'aa', 'aaa'), 1: ('b', 'bb', 'bbb'), 2: ('c', 'cc', 'ccc')}
>>> for i in dic.keys():
    print dic[i][1]


aa
bb
cc
>>> dic = {0: ('a', 'aa', 'aaa'), 1: ('b', 'bb', 'bbb'), 2: ('c', 'cc', 'ccc')}
>>> for i in dic.keys():
    print dic[i]


('a', 'aa', 'aaa')
('b', 'bb', 'bbb')
('c', 'cc', 'ccc')
>>> dic = {0: ('a', 'aa', 'aaa'), 1: ('b', 'bb', 'bbb'), 2: ('c', 'cc', 'ccc')}
>>> for i in dic.keys():
    print i


0
1
2
>>> dic[0][1]
'aa'

>>> dic = {0: ('a', 'aa', 'aaa'), 1: ('b', 'bb', 'bbb'), 2: ('c', 'cc', 'ccc')}
>>> for i in dic.keys():
    if 'aa' == dic[i][1]:
        print dic[i][2]

aaa
>>>

另外附一段Python脚本。通过SQL查询，比较查询出的名字是否存在于dict的判断。

#        conn = cx_Oracle.connect(user+"/xx@11.11.1.11:11/abc")
#        cursor = conn.cursor()
#       cursor.execute("select name from namelist where name_type='B' and name_id = '"+str(row[0])+"'")
#       for name in cursor:
#           fcase.write("|name=" + name[0])
#        for name in name_list.keys():
#            if name_list[name][0] == row[0]:
#                fcase.write("|name=" + name_list[name][1])
#            else:
#                continue
#        conn.close()