Python Dictionary Methods
1. What are Dictionary Methods?
Dictionary methods are built-in functions that help us work easily with dictionaries.
They help us to:
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Add items
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Remove items
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Access data
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Copy dictionaries
2. get() – Get Value Safely
Returns value of a key without error if key is missing.
Example
3. keys() – Get All Keys
Example
4. values() – Get All Values
Example
5. items() – Get Key and Value Pairs
Example
6. update() – Add or Change Items
Adds new items or updates existing ones.
Example
7. pop() – Remove Item by Key
Example
Safe Remove
8. popitem() – Remove Last Item
Example
9. clear() – Remove All Items
Example
10. copy() – Copy Dictionary
Creates a new dictionary copy.
Example
11. setdefault() – Get or Add Key
Returns value if key exists, otherwise adds key.
Example
12. fromkeys() – Create Dictionary from Keys
Example
13. Common Beginner Mistakes
❌ Using Index Instead of Key
❌ Error.
❌ Forgetting Methods Return Type
This returns a view, not a list.
14. Simple Practice Examples
Example 1: Add Default Value
Example 2: Copy Dictionary
Example 3: Remove All Items
15. Summary (Dictionary Methods)
✔ get() accesses safely
✔ update() adds or changes
✔ pop() removes items
✔ copy() duplicates dictionary
✔ Dictionary methods save time
📘 Perfect for Beginner eBook
This chapter is ideal for:
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Python beginner books
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School & college students
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Self-learners
If you want next, I can write:
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Dictionary Exercises
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Mini Python Projects
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File Handling
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Error Handling
Just tell me 😊
