Dictionaries
#### Making a dictionary #### data = {} # OR # data = dict() #### Initially adding values #### data = {'a':1,'b':2,'c':3} # OR # data = dict(a=1, b=2, c=3) #### Inserting/Updating value #### data['a']=1 # updates if 'a' exists, else adds 'a' # OR # data.update({'a':1}) # OR # data.update(dict(a=1)) #### Merging 2 dictionaries #### data.update(data2) # Where data2 is also a dict.