Added Empty List Challenge (#48)

* Added template

* Updated template

* Add files via upload

* Added solution file

Author: jrg94

challenges/how-to-empty-a-list/README.md

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+## How to Empty a List in Python Challenge
+
+The following challenge was described in the article 
+[How to Empty a List in Python](https://therenegadecoder.com/code/how-to-check-if-a-key-exists-in-a-dictionary-in-python/#challenge).
+
+### Challenge Description
+
+Write a function that empties a list only under certain conditions. Since we’re dealing with anime, 
+the conditions will be as follows:
+
+- Empty the input list if it meets any of the following conditions:
+  - Contains any duplicate shows
+  - Contains more than 17 shows
+  - Contains shows that feature the word “Your” in the title
+
+### Expected Behavior
+
+```python
+to_empty_or_not_to_empty(["Haruhi", "Haruhi"])  # Empty!
+to_empty_or_not_to_empty(["Nagatoro"] * 17)  # Empty!
+to_empty_or_not_to_empty(["Your Lie in April"])  # Empty!
+to_empty_or_not_to_empty(["Steins;Gate", "My Hero Academia", "A Place Further Than the Universe"])  # Do NOT empty!
+``` 
+
+### Example Solution
+
+![Solution](solution.jfif)

challenges/how-to-empty-a-list/empty_list.py

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+def to_empty_or_not_to_empty(anime: list):
+    hasDuplicates = len(set(anime)) != len(anime)
+    hasSeventeenShows = len(anime) == 17
+    hasYourTitle = any("Your" in word for word in anime)
+    if hasDuplicates or hasSeventeenShows or hasYourTitle:
+        anime.clear()