save project

ll.py

-W=['A','B','C','D']
-W[1]='B'
-W[2]='A'
-W.pop(2)
-W.remove('A')
-W.insert(1,'S')
-W.append('R')
-W.extend('M')
+W=['A','B','C','D','E','F','G']
+W=W[1:3]
 print(W)
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