print("--- AI训练常用工具 ---")          
tools = ["TensorFlow", "PyTorch", "Keras"]
print("初始工具列表:",  tools       )
print("当前工具数量:", len( tools )  )       
print("每个工具名称：")                  
for t in tools:                        
    print(" -",    t  )  
print("\n--- 添加新工具 ---")
new_tools = ["Scikit-learn", "MXNet"]
for tool in new_tools:
    if tool not in tools:
        tools.  append(tool)
    else:        
        print(f"工具 '{tool}' 已存在，跳过添加")
 
print("\n更新后的工具列表:",  tools )
 

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