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42 lines
1.1 KiB
42 lines
1.1 KiB
2 years ago
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# shopping
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## Instructions
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Create a file `shopping.py` with a function `remember_the_apple(shopping_list)`.
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This function input is a list of string, like this:
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```python
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['tomatoes', 'pastas', 'apple', 'salt']
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```
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If the string `'apple'` is not in the list, it should be added. The function return the updated list. If the apple is in the list, simply return it.
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If the input list is empty, the returned list should be also empty (don't add the apple in that case).
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## Usage
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Here is a possible `test.py` to test your functions:
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```python
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import shopping
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if __name__ == '__main__':
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list_with_apple = ['tomatoes', 'pastas', 'apple', 'salt']
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list_without_apple = ['tomatoes', 'pastas', 'salt']
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print(shopping.remember_the_apple(list_with_apple))
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print(shopping.remember_the_apple(list_without_apple))
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```
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```bash
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$ python test.py
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['tomatoes', 'pastas', 'apple', 'salt']
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['tomatoes', 'pastas', 'salt', 'apple']
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```
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## Notions
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- [lists](https://docs.python.org/3/tutorial/datastructures.html#)
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- [Conditions](https://docs.python.org/3/tutorial/datastructures.html#more-on-conditions)
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