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# get column names that start with a specific string, s
df.columns[df.columns.str.startswith(s)]
https://datascienceparichay.com/article/pandas-column-names-that-start-with-specific-string/
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# Basic syntax:
your_dataframe.columns
# Note, if you want the column names as a list, just do:
list(your_dataframe.columns)