Dictionary

Seite 1

Dictionary:

1. its Key:Value pair

2. >>> core1_blr1

{'ip_addr': '10.0.1.8.251', 'name': 'core1.blr1', 'country': 'india', 'router_version': 'cisco 2921', 'version': 12.43, 'location': 'BLR1'}

>>>

3. don't count on order of the dictionary

4. key has to be unique

5. add a new key:

>>> core1_blr1['subnet'] = '255.255.255.0'

>>> core1_blr1

{'subnet': '255.255.255.0', 'ip_addr': '10.0.1.8.251', 'name': 'core1.blr1', 'country': 'india', 'router_version': 'cisco 2921', 'version': 12.43, 'location': 'BLR1'}

6. >>> core1_blr1.get('subnet')

'255.255.255.0'

7. >>> 'subnet' in core1_blr1

True

8. >>> core1_blr1.keys()

['subnet', 'name', 'country', 'router_version', 'version', 'location']

>>> core1_blr1.values()

['255.255.255.0', 'core1.blr1', 'india', 'cisco 2921', 12.43, 'BLR1']

>>>

9. >>> core1_blr1.items()

[('subnet', '255.255.255.0'), ('name', 'core1.blr1'), ('country', 'india'), ('router_version', 'cisco 2921'), ('version', 12.43), ('location', 'BLR1')]

>>>

10.

>>> for k,v in core1_blr1.items():

... print "%s:" % k

... print v

...

subnet:

255.255.255.0

name:

core1.blr1

country:

india

router_version:

cisco 2921

version:

12.43

location:

BLR1

>>>