Python indexing a list

Question

I have a list as below: How do I do index in python. I want to fetch a value for "OS"? Please let me know.

[{'UserName': 'd699a1f25d9a3', 'BrowserVersion': None, 'PasswordMinLength': 0, 'SystemAutoLock': 0, 'OS': 'Windows 7 6.1 Build 7601 : Service Pack 1 64bit'}]

This is a very basic question. You should have searched first. — duck
– duck, Commented Feb 6, 2014 at 3:34

user3277893 · Accepted Answer · 2014-02-06 03:32:45Z

1

  mylist = [{'UserName': 'd699a1f25d9a3', 'BrowserVersion': None, 'PasswordMinLength': 0, 'SystemAutoLock': 0, 'OS': 'Windows 7 6.1 Build 7601 : Service Pack 1 64bit'}]

  OS = mylist[0]['OS']
  print OS

answered Feb 6, 2014 at 3:32

user3277893

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Christian Tapia · Accepted Answer · 2014-02-06 03:31:12Z

0

Let's say your list is stored in variable my_list:

mylist = [{'UserName': 'd699a1f25d9a3', 'BrowserVersion': None, 'PasswordMinLength': 0, 'SystemAutoLock': 0, 'OS': 'Windows 7 6.1 Build 7601 : Service Pack 1 64bit'}]

Since the dictionary is the first element of the list, you can access to it using indexing. Remember that indexes start with 0:

my_list[0] # first element

Then you can access to a key in the dictionarie by its corresponding value: my_dict[key]. In your case:

my_list[0]['OS']

answered Feb 6, 2014 at 3:31

Christian Tapia

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