Add data structure comparison table

README.md

@@ -80,6 +80,7 @@ written correctly.
  - [Sets](src/data_types/test_sets.py) and their methods
  - [Dictionaries](src/data_types/test_dictionaries.py)
  - [Type Casting](src/data_types/test_type_casting.py)
+ - [Data Structures Comparison](src/data_types/data_structures_comparison.md)
 4. **Control Flow**
  - [The `if` statement](src/control_flow/test_if.py)
  - [The `for` statement](src/control_flow/test_for.py) (and `range()` function)

src/data_types/data_structures_comparison.md

@@ -0,0 +1,17 @@
+* Changeble: can add or remove items after the collection has been created
+* Indexed: first item has index [0], the second item has index [1] and so on
+* Ordered: items have a defined order, and that order will not change
+* Allow Duplicates: the collection can have items with the same value
+
+
+| | dictionary | set | list | tuple |
+|-------------------|---------------|-------|--------|---------|
+| Initializer | { key:value } | { } | [ ] | ( ) |
+| Changeble? | yes | no¹ | yes | no |
+| Indexed? | yes² | no | yes | yes |
+| Ordered? | no | no | yes | yes |
+| Allow Duplicates? | no | no | yes | yes |
+
+¹ can add new items
+
+² indexed through keys