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Nested Dictionaries

Nested Dictionaries. CSE 1310 – Introduction to Computers and Programming Christopher Conly University of Texas at Arlington. Nesting Dictionaries. A dictionary with dictionaries as values my_dict = {123: {'name': 'John', 'age': 50}, 456: {'name': 'Mary',

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Nested Dictionaries

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  1. Nested Dictionaries CSE 1310 – Introduction to Computers and Programming Christopher Conly University of Texas at Arlington

  2. Nesting Dictionaries • A dictionary with dictionaries as values my_dict = {123: {'name': 'John', 'age': 50}, 456: {'name': 'Mary', 'age': 30}} • Outer dictionary brackets?

  3. Nesting Dictionaries • A dictionary with dictionaries as values my_dict = {123: {'name': 'John', 'age': 50}, 456: {'name': 'Mary', 'age': 30}} • Outer dictionary brackets

  4. Nesting Dictionaries • A dictionary with dictionaries as values my_dict = {123: {'name': 'John', 'age': 50}, 456: {'name': 'Mary', 'age': 30}} • Outer dictionary keys?

  5. Nesting Dictionaries • A dictionary with dictionaries as values my_dict = {123: {'name': 'John', 'age': 50}, 456: {'name': 'Mary', 'age': 30}} • Outer dictionary keys

  6. Nesting Dictionaries • A dictionary with dictionaries as values my_dict = {123: {'name': 'John', 'age': 50}, 456: {'name': 'Mary', 'age': 30}} • Outer dictionary values?

  7. Nesting Dictionaries • A dictionary with dictionaries as values my_dict = {123: {'name': 'John', 'age': 50}, 456: {'name': 'Mary', 'age': 30}} • Outer dictionary values

  8. Nesting Dictionaries • A dictionary with dictionaries as values my_dict = {123: {'name': 'John', 'age': 50}, 456: {'name': 'Mary', 'age': 30}} • Inner dictionary brackets?

  9. Nesting Dictionaries • A dictionary with dictionaries as values my_dict = {123: {'name': 'John', 'age': 50}, 456: {'name': 'Mary', 'age': 30}} • Inner dictionary brackets

  10. Nesting Dictionaries • A dictionary with dictionaries as values my_dict = {123: {'name': 'John', 'age': 50}, 456: {'name': 'Mary', 'age': 30}} • Inner dictionary keys?

  11. Nesting Dictionaries • A dictionary with dictionaries as values my_dict = {123: {'name': 'John', 'age': 50}, 456: {'name': 'Mary', 'age': 30}} • Inner dictionary keys

  12. Nesting Dictionaries • A dictionary with dictionaries as values my_dict = {123: {'name': 'John', 'age': 50}, 456: {'name': 'Mary', 'age': 30}} • Inner dictionary values?

  13. Nesting Dictionaries • A dictionary with dictionaries as values my_dict = {123: {'name': 'John', 'age': 50}, 456: {'name': 'Mary', 'age': 30}} • Inner dictionary values

  14. Accessing Nested Dictionaries my_dict = {123: {'name': 'John', 'age': 50}, 456: {'name': 'Mary', 'age': 30}} How do you access 'John'?

  15. Accessing Nested Dictionaries my_dict = {123: {'name': 'John', 'age': 50}, 456: {'name': 'Mary', 'age': 30}} How do you access 'John'? my_dict[123]['name']

  16. Accessing Nested Dictionaries my_dict = {123: {'name': 'John', 'age': 50}, 456: {'name': 'Mary', 'age': 30}} How do you access 'John'? my_dict[123]['name']

  17. Accessing Nested Dictionaries my_dict = {123: {'name': 'John', 'age': 50}, 456: {'name': 'Mary', 'age': 30}} How do you access 'John'? my_dict[123]['name']

  18. Looping and Dictionaries my_dict = {123: {'name': 'John', 'age': 50}, 456: {'name': 'Mary', 'age': 30}} for item in my_dict: ... What is item?

  19. Looping and Dictionaries my_dict = {123: {'name': 'John', 'age': 50}, 456: {'name': 'Mary', 'age': 30}} for item in my_dict: ... What is item? A key. How do we access the name value?

  20. Looping and Dictionaries my_dict = {123: {'name': 'John', 'age': 50}, 456: {'name': 'Mary', 'age': 30}} for item in my_dict: name = my_dict[item]['name'] How do we access the name value?

  21. Looping and Dictionaries my_dict = {123: {'name': 'John', 'age': 50}, 456: {'name': 'Mary', 'age': 30}} for item in my_dict: name = my_dict[item]['name'] How do we access the name value?

  22. Looping and Dictionaries my_dict = {123: {'name': 'John', 'age': 50}, 456: {'name': 'Mary', 'age': 30}} for item in my_dict: name = my_dict[item]['name'] How do we access the name value?

  23. Looping and Dictionaries my_dict = {123: {'name': 'John', 'age': 50}, 456: {'name': 'Mary', 'age': 30}} for item in my_dict: name = my_dict[item]['name'] How do we access the name value?

  24. Looping and Dictionaries my_dict = {123: {'name': 'John', 'age': 50}, 456: {'name': 'Mary', 'age': 30}} for key1 in my_dict: ... What about looping through ‘name’ and ‘age’?

  25. Looping and Dictionaries my_dict = {123: {'name': 'John', 'age': 50}, 456: {'name': 'Mary', 'age': 30}} for key1 in my_dict: for key2 in my_dict[key1]: print my_dict[key1][key2] What about looping through ‘name’ and ‘age’?

  26. Looping and Dictionaries my_dict = {123: {'name': 'John', 'age': 50}, 456: {'name': 'Mary', 'age': 30}} for key1 in my_dict: for key2 in my_dict[key1]: print my_dict[key1][key2] What about looping through ‘name’ and ‘age’?

  27. Looping and Dictionaries my_dict = {123: {'name': 'John', 'age': 50}, 456: {'name': 'Mary', 'age': 30}} for key1 in my_dict: for key2 in my_dict[key1]: print my_dict[key1][key2] What about looping through ‘name’ and ‘age’?

  28. Looping and Dictionaries my_dict = {123: {'name': 'John', 'age': 50}, 456: {'name': 'Mary', 'age': 30}} for key1 in my_dict: for key2 in my_dict[key1]: print my_dict[key1][key2] What about looping through ‘name’ and ‘age’?

  29. Looping and Dictionaries my_dict = {123: {'name': 'John', 'age': 50}, 456: {'name': 'Mary', 'age': 30}} for key1 in my_dict: for key2 in my_dict[key1]: print my_dict[key1][key2] What about looping through ‘name’ and ‘age’?

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