What is OrderedDict in Python?

OrderedDict in Python. An OrderedDict is a dictionary subclass that remembers the order that keys were first inserted. A regular dict doesn’t track the insertion order, and iterating it gives the values in an arbitrary order. By contrast, the order the items are inserted is remembered by OrderedDict.Click to see full answer. Similarly, it is asked, what is an OrderedDict in Python?OrderedDict in Python. An OrderedDict is a dictionary subclass that remembers the order that keys were first inserted. A regular dict doesn’t track the insertion order, and iterating it gives the values in an arbitrary order. By contrast, the order the items are inserted is remembered by OrderedDict.Beside above, how do you use an ordered dictionary in Python? An OrderedDict is a dictionary subclass that remembers the order in which its contents are added, supporting the usual dict methods. If a new entry overwrites an existing entry, the original insertion position is left unchanged. Deleting an entry and reinserting it will move it to the end. Beside this, what is Defaultdict in Python? The defaultdict tool is a container in the collections class of Python. It’s similar to the usual dictionary (dict) container, but the only difference is that a defaultdict will have a default value if that key has not been set yet.What are Namedtuples in Python?Namedtuple in Python. Python supports a type of container like dictionaries called “namedtuples()” present in module, “collection“. Like dictionaries they contain keys that are hashed to a particular value. But on contrary, it supports both access from key value and iteration, the functionality that dictionaries lack.