keras concatenate indexerror list assignment index out of range

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1. How to fix IndexError: list assignment index out of range in Python

   

2. IndexError List Assignment Index Out of Range Python

   

3. IndexError: list assignment index out of range

   

4. Python indexerror: list assignment index out of range Solution

   

5. IndexError: list assignment index out of range in Python

   

6. IndexError: list assignment index out of range in Python