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56 lines
2.0 KiB
56 lines
2.0 KiB
2 years ago
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## Punishment
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### Instructions
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Often in schools we are asked to copy hundreds of sentences in order to better remember not to do something, this punishment is very old and quite boring!
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Hopefully we now have Python that can do the job for us.
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In order to do so create a file `punishment.py` which will contain a function `do_punishment` having 3 arguments:
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- `first_part`: which will be a string.
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- `second_part`: which will be also a string.
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- `nb_lines`: which will be a number.
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Here is the prototype of the function:
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```python
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def do_punishment(first_part, second_part, nb_lines):
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```
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The function will concatenate `first_part` and `second_part`, adding a space in between them and a `.` at the end of `second_part`. It will repeat this process for `nb_lines` times.
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The function will return a single string containing all the repeated sentences.
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> In case `first_part` and `second_part` have empty spaces at the start or at the end those spaces should be trimmed (removed from the strings).
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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 punishment
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print(punishment.do_punishment(' The first half ', ' and the second ', 4), end='')
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print(punishment.do_punishment('Will not', 'show', 0), end='')
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print(punishment.do_punishment('', '', 3), end='')
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```
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```bash
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$ python test.py
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The first half and the second.
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The first half and the second.
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The first half and the second.
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The first half and the second.
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.
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.
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.
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```
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### Hints
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- Removing spaces at the start and end of a string is so common that almost all languages implement this feature. Here you can check for the `strip()` method.
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- Instead of using loops you can try the `string multiplication` operator, which is a very nice feature of Python and will make your code more readable.
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### References
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* [strip](https://www.w3schools.com/python/ref_string_strip.asp)
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* [string multiplication](https://www.geeksforgeeks.org/create-multiple-copies-of-a-string-in-python-by-using-multiplication-operator/)
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