Python : dictionary

Follows are the Dictionary example. Key and value can be string or number.

● Initial a dictionary
>>> d={'a':'Martin', 'b':'John'}

● Add new item
>>> d['c']='Mary'

● Add items
>>> d.update({'d':'Megan', 'e':'May'})

● Check item in a dictionary (return True/False)
>>> 'd' in d
True
>>> 'f' in d
False

● Enumerate the items in a dictionary
>>> for id, name in d.items():
...         print id, name

● Delete an item
>>> del d['a']