feat: json exercise

README.md

@@ -29,3 +29,4 @@ Repository for CDS-2020 Programming and Promt Engineering II
 |PaginationHelper|kata_pagination_helper.py|test_pagination_helper.py|[515bb423de843ea99400000a](https://www.codewars.com/kata/515bb423de843ea99400000a)|
 |Who has the most money?|kata_who_the_most_money.py|test_who_the_most_money.py|[528d36d7cc451cd7e4000339](https://www.codewars.com/kata/528d36d7cc451cd7e4000339)|
 |Next bigger number with the same digits|kata_next_bigger_number_same_digits.py|test_next_bigger_number_same_digits.py|[55983863da40caa2c900004e](https://www.codewars.com/kata/55983863da40caa2c900004e)|
+|Snail|kata_snail.py|test_snail.py|[521c2db8ddc89b9b7a0000c1](https://www.codewars.com/kata/521c2db8ddc89b9b7a0000c1)|

src/codewars/kata_snail.py

@@ -0,0 +1,86 @@
+def snail(snail_map):
+    # first list in array is always first. So add it to new list snail and pop it from snail_map
+    snail = [x for x in snail_map[0]]
+    snail_map.pop(0)
+
+    # transpone list and append first list to snail. Then pop firt item of snail_map. Loop till snail_map is empty
+    while len(snail_map) > 0:
+        snail_map = [list(reversed(x)) for x in snail_map]
+        snail_map = [list(row) for row in zip(*snail_map)]
+
+        [snail.append(x) for x in snail_map[0]]
+        snail_map.pop(0)
+
+    return snail
+
+
+array = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]
+array = [[1, 2, 3, 4], [5, 6, 7, 8], [9, 10, 11, 12], [13, 14, 15, 16]]
+print(snail(array))
+
+"""
+Konzept:
+Ziel: 1 2 3 6 9 8 7 4 5
+
+1 2 3
+4 5 6
+7 8 9
+
+1 2 3
+
+4 5 6
+7 8 9
+
+6 9
+5 8
+4 7
+
+1 2 3 6 9
+
+5 8
+4 7
+
+8 7
+5 4
+
+1 2 3 6 9 8 7
+
+5 4
+
+4
+5
+
+1 2 3 6 9 8 7 4
+
+5
+
+1 2 3 6 9 8 7 4 5
+
+
+Ziel: 1 2 3 4 8 12 16 15 14 13 9 5 6 7 11 10
+
+1   2   3   4
+5   6   7   8
+9  10  11  12
+13 14  15  16
+
+1   2   3   4
+
+5   6   7   8
+9  10  11  12
+13 14  15  16
+
+8 12 16
+7 11 15
+6 10 14
+5 9  13
+
+1 2 3 4 8 12 16
+
+7 11 15
+6 10 14
+5 9  13
+
+...
+
+"""

src/tutorial/files_and_path/pathlib_exercise/pathlib_exercise.py

@@ -0,0 +1,6 @@
+from pathlib import Path
+
+base_dir = Path("data")
+file_path = base_dir / "raw" / "processed.json"
+
+file_path.mkdir(parents=True, exist_ok=True)

tests/test_codewars/test_snail.py

@@ -0,0 +1,10 @@
+from src.codewars.kata_snail import snail
+
+
+def test_snail():
+    array = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]
+
+    assert snail(array) == [1, 2, 3, 6, 9, 8, 7, 4, 5]
+
+    array = [[1, 2, 3], [8, 9, 4], [7, 6, 5]]
+    assert snail(array) == [1, 2, 3, 4, 5, 6, 7, 8, 9]