x.__lt__(y) <==> x<y

x.__init__(...) initializes x; see x.__class__.__doc__ for signature

D.__contains__(k) -> True if D has a key k, else False

x.__cmp__(y) <==> cmp(x,y)

x.__len__() <==> len(x)

x.__ne__(y) <==> x!=y

x.__getitem__(y) <==> x[y]

x.__gt__(y) <==> x>y

x.__eq__(y) <==> x==y

x.__delitem__(y) <==> del x[y]

x.__iter__() <==> iter(x)

x.__le__(y) <==> x<=y

x.__ge__(y) <==> x>=y