fix: 增加日记记录

language/Python区块链/tempCodeRunnerFile.python

@@ -0,0 +1,24 @@
+from typing import List
+
+
+def is_valid_walk(walk):
+    if len(walk) != 10:
+        return False
+    
+    hasWalk = list()
+    
+    for m in walk:
+        if (m == 'n' and hasWalk.index('s')>=0):
+            hasWalk.remove(hasWalk.index('s'))
+        elif (m == 's' and hasWalk.index('n')>=0):
+            hasWalk.remove(hasWalk.index('n'))
+        elif (m == 'e' and hasWalk.index('w')>=0):
+            hasWalk.remove(hasWalk.index('w'))
+        elif (m == 'w' and hasWalk.index('e')>=0):
+            hasWalk.remove(hasWalk.index('e'))
+        else:
+            hasWalk.append(m)
+    
+    return len(hasWalk) == 0
+
+print(is_valid_walk(['n','s','n','s','n','s','n','s','n','s']))