Nur Snail Code hinzugefügt

src/kata 4_snail(snail_map).py

@@ -0,0 +1,24 @@
+def snail(snail_map):
+    result = []
+    if not snail_map or not snail_map[0]:
+        return result
+
+    while snail_map:
+        result += snail_map.pop(0)
+
+        if snail_map and snail_map[0]:
+            for row in snail_map:
+                result.append(row.pop())
+
+        if snail_map:
+            result += snail_map.pop()[::-1]
+
+        if snail_map and snail_map[0]:
+            for row in reversed(snail_map):
+                result.append(row.pop(0))
+
+    return result
+
+
+# https://www.codewars.com/kata/521c2db8ddc89b9b7a0000c1/train/python
+# ich kam nicht selbstständig auf diese lösung. Könntes du mir diese erklären? ich dachte pop löscht.