keys() returns a list of the dictionary's keys, : keys « Dictionary « Python Tutorial

1. Python Tutorial
2. Dictionary
3. keys

values() returns a list of the dictionary's values
items() returns a list of (key, value) tuple pairs. 

dict1 = {'A':'1', 'B':'2' }
print dict1.keys()
print dict1.values()
print dict1.items()

for eachKey in dict1.keys():
   print 'dict1 key', eachKey, 'has value', dict1[eachKey]