22211572

2.7 Exercises.py

@@ -3,17 +3,9 @@ def rotateR(val):
     return val[-1] + val[:-1] if len(val) > 0 else None
 
 
-
-
-
-
-
-
-
 # question 4
 def rotateRx(val):
-    pass
-
+    val[:] = [val[-1]] + val[:-1]
 
 
 # question 5
@@ -25,5 +17,20 @@ def rotateRx_modified(val):
     pass
 
 # question 6
+
+
 def rotateR2(val):
     return rotateR(rotateR(val))
+
+
+# question 7
+def rotateRx2(val):
+    rotateRx(val)
+    rotateRx(val)
+
+
+# question 8
+l = [[1, 2, 3]] * 2
+print(l)
+rotateRx(l[1])
+print(l)