Python Dictionary Methods

Key Points

• .update({key: value}): Merges new key-value pairs in. Useful for adding new data or overriding existing values.
• .get(key, [default]): Safely retrieves a value for a key. If the key is missing, it returns `None` (or a specified default) rather than crashing.
• .pop(key): Extacts and returns the value of a specific key, deleting the key-value pair from the dictionary.
• .clear(): Instantly removes all key-value mappings, resulting in an empty dictionary `{}`.

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