polars.first¶
- polars.first(column: str) polars.internals.expr.Expr¶
- polars.first(column: polars.internals.series.Series) Any
- polars.first(column: None = None) polars.internals.expr.Expr
Get the first value.
Depending on the input type this function does different things:
input:
None -> expression to take first column of a context.
str -> syntactic sugar for pl.col(..).first()
Series -> Take first value in Series