The problem of converting a dictionary to a DataFrame Note that the default dictionary is '1': [1,2,3], not '1': 1. That is, the dictionary will be converted to a DataFrame in the form of a list later.

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The problem of converting a dictionary to a DataFrame Note that the default dictionary is '1': [1,2,3], not '1': 1. That is, the dictionary will be converted to a DataFrame in the form of a list later.

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