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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 label_value(label_info, multi_line=True):
 """ Convert series values to str and maybe concatenate them Parameters label_info : series Series whose values will be returned multi_line : bool Whether to place each variable on a separate line Returns ------- out : series Label text strings """

    label_info = label_info.astype(str)
    if not multi_line:
        label_info = collapse_label_lines(label_info)

    return label_info