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33 lines
985 B
33 lines
985 B
2 years ago
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## clean_the_list
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### Instructions
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Create a file `shopping.py` that contains a function `clean_list` which takes in a list of strings and performs the following operations on each list item:
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- Removes all spaces before and after (but not between words).
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- Capitalizes the first letter (first letter only, other ones should be to lowercase).
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- Adds its index number before a separator `x/ `.
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- An empty list as input should return an empty list as output.
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- And don't forget the milk !!!! (add it at the end of the list if missing).
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### Usage
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Here is an example of how to use the clean_list function:
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```python
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import shopping
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shopping_list = ['tomatoes', 'pastas', 'milk', 'salt']
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print(shopping.clean_list(shopping_list))
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```
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This will output:
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```console
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['1x/ Tomatoes', '2x/ Pastas', '3x/ Milk', '4x/ Salt']
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```
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### References
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[string strip](https://www.w3schools.com/python/ref_string_strip.asp)
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[string capitalize](https://www.w3schools.com/python/ref_string_strip.asp)
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