python if statement local variable referenced before assignment

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1. How to Return a Global and Local Variable from a Python Function?

   

2. python

   

3. UnboundLocalError: Local Variable Referenced Before Assignment

   

4. Python local variable referenced before assignment Solution

   

5. [SOLVED] Local Variable Referenced Before Assignment

   

6. Python 中 UnboundLocalError: Local variable referenced before assignment 错误_迹忆客