23. Pandas TypeError: unhashable type: 'list'/'dict'

Pandas TypeError: unhashable type: 'list'/'dict'

Table of Contents
Step #1: TypeError: unhashable type: 'list'/'dict'
Step #2: How to detect if column contains list or dict
Step #3: Convert the column to string and apply value_counts
Step #4: Convert list/dict column to tuple
Step #5: Expand the list column
Step #6: List column mixed: strings and list items
Bonus Step #1: Correct way to expand list column

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Bonus resources
Pandas How to count unique values in column list


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