Python Programming Language: Dictionary Functions

Hi everyone, welcome back. Dictionaries are a data structure in the Python language capable of storing several items in a singular dictionary variable. Dictionaries are a built in data type in Python and we will go over the functions regarding dictionaries. For a more in depth tutorial on Dictionaries in Python, click here.

Dictionary Functions

• clear(): removes every item from the dictionary
• copy(): retrieves a copy of the dictionary
• fromkeys(): retrieves a new dictionary with the given keys and associated values
• get(): retrieves the associated value of the given key
• items(): retrieves a list with tuples for each of the key value pairs
• keys(): retrieves a list with all the keys in the dictionary
• pop(): removes an item with the given key
• popitem(): removes the last key value pair that was added
• setDefault(): retrieves a value of a given key. If the given key is nonexistent, then the key is added with a given value
• update(): updates the dictionary with a key value pair
• values(): retrieves a list with all the values in the dictionary