Dictionery week 4 , 

## Create a dic in python
net_device = {}
type(net_device)

## add keys

net_device['ip_addr'] = '192.1.1.1'
net_device = {'ip_addr' : '192.1.1.2'}
var1 = 'vendor'

net_device[var1] = 'cisco'
net_device['device_type'] = 'ios'


### access key values 

net_device['device_type']
net_device['vendor'] 
net_device['vendor'] = 'juniper' ## change key ## if key dont exist, python will info with KeyError

net_device2 = net_device 
net_device2 is net_device ## Is the same thing in memory... look up. 




#######


net_device is net_device2 
net_device2 = net_device.copy()
print(net_device.get('module', '811'))
dir()

net_device.pop('model')


net_device2 = {'model' : '881'}
net_device.update(net_device2) 

for key in net_device: 
    print(key)

for v in net_device.values():
    print(v)

for key , value in net_device.items():
    print(key)
    print(value)
    print('-' * 30)