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  * __
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  * polars.LazyF... 

#  polars.LazyFrame.shift_and_fill  #

LazyFrame.  shift_and_fill  (  _ fill_value  :  Expr  |  [ int  ](https://docs.python.org/3/library/functions.html#int "\(in Python v3.12\)") |  [ str  ](https://docs.python.org/3/library/stdtypes.html#str "\(in Python v3.12\)") |  [ float  ](https://docs.python.org/3/library/functions.html#float "\(in Python v3.12\)") _ , _ *  _ , _ n  :  [ int  ](https://docs.python.org/3/library/functions.html#int "\(in Python v3.12\)") =  1  _ )  →  Self  [ [source]  ](https://github.com/pola-rs/polars/blob/main/py-polars/polars/lazyframe/frame.py#L6440-L6461) # 
    

Shift values by the given number of places and fill the resulting null values.

Deprecated since version 0.19.12:  Use [ ` shift()  `
](polars.LazyFrame.shift.html#polars.LazyFrame.shift "polars.LazyFrame.shift")
instead.

Parameters  :

    

**fill_value**

    

fill None values with the result of this expression.

**n**

    

Number of places to shift (may be negative).

[ __ previous  polars.LazyFrame.shift  ](polars.LazyFrame.shift.html "previous
page") [ next  polars.LazyFrame.slice  __ ](polars.LazyFrame.slice.html "next
page")

__ On this page

  * ` LazyFrame.shift_and_fill()  `

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