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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def from_pandas(cls, df, block_partitions_cls):
 """Improve simple Pandas DataFrame to an advanced and superior Modin DataFrame. Args: cls: DataManger object to convert the DataFrame to. df: Pandas DataFrame object. block_partitions_cls: BlockParitions object to store partitions Returns: Returns DataManager containing data from the Pandas DataFrame. """

        new_index = df.index
        new_columns = df.columns
        new_dtypes = df.dtypes
        new_data = block_partitions_cls.from_pandas(df)
        return cls(new_data, new_index, new_columns, dtypes=new_dtypes)