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Built-in Dictionary Functions & Methods in Python
Python includes the following dictionary functions −
Sr.No | Function with Description |
---|---|
1 | cmp(dict1, dict2) Compares elements of both dict. |
2 | len(dict) Gives the total length of the dictionary. This would be equal to the number of items in the dictionary. |
3 | str(dict) Produces a printable string representation of a dictionary |
4 | type(variable) Returns the type of the passed variable. If passed variable is dictionary, then it would return a dictionary type. |
Python includes following dictionary methods −
Sr.No | Methods with Description |
---|---|
1 | dict.clear() Removes all elements of dictionary dict |
2 | dict.copy() Returns a shallow copy of dictionary dict |
3 | dict.fromkeys() Create a new dictionary with keys from seq and values set to value. |
4 | dict.get(key, default=None) For key key, returns value or default if key not in dictionary |
5 | dict.has_key(key) Returns true if key in dictionary dict, false otherwise |
6 | dict.items() Returns a list of dict's (key, value) tuple pairs |
7 | dict.keys() Returns list of dictionary dict's keys |
8 | dict.setdefault(key, default=None) Similar to get(), but will set dict[key]=default if key is not already in dict |
9 | dict.update(dict2) Adds dictionary dict2's key-values pairs to dict |
10 | dict.values() Returns list of dictionary dict's values |
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