( local variable 'val' referenced before assignment 'occurred at index 0')

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1. UnboundLocalError: Local Variable Referenced Before Assignment

   

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

   

3. python

   

4. Local variable referenced before assignment in Python

   

5. Local variable referenced before assignment in Python

   

6. local variable ‘str‘ referenced before assignment_local variable 'strreagentid' referenced