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pandas.DataFrame.notnull

DataFrame.notnull() [source]

Return a boolean same-sized object indicating if the values are not NA.

See also

DataFrame.isna
boolean inverse of notna
DataFrame.notnull
alias of notna
notna
top-level notna

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https://pandas.pydata.org/pandas-docs/version/0.22.0/generated/pandas.DataFrame.notnull.html