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  * [ Input/output ](../io.html)
  * [ General functions ](../general_functions.html) __
    * [ pandas.melt ](pandas.melt.html)
    * [ pandas.pivot ](pandas.pivot.html)
    * [ pandas.pivot_table ](pandas.pivot_table.html)
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    * [ pandas.factorize ](pandas.factorize.html)
    * [ pandas.unique ](pandas.unique.html)
    * pandas.lreshape 
    * [ pandas.wide_to_long ](pandas.wide_to_long.html)
    * [ pandas.isna ](pandas.isna.html)
    * [ pandas.isnull ](pandas.isnull.html)
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    * [ pandas.to_numeric ](pandas.to_numeric.html)
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    * [ pandas.bdate_range ](pandas.bdate_range.html)
    * [ pandas.period_range ](pandas.period_range.html)
    * [ pandas.timedelta_range ](pandas.timedelta_range.html)
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  * pandas.lreshape 

#  pandas.lreshape  #

pandas.  lreshape  (  _ data  _ , _ groups  _ , _ dropna  =  True  _ )  [
[source]  ](https://github.com/pandas-
dev/pandas/blob/v2.2.2/pandas/core/reshape/melt.py#L141-L218) #

    

Reshape wide-format data to long. Generalized inverse of DataFrame.pivot.

Accepts a dictionary, ` groups  ` , in which each key is a new column name and
each value is a list of