def ageRange(row):
    """Gives the age range label for histogram
    -----------
    row : pandas Series 
        row of a dataset

    Returns
    -----------
       label : str
            the corresponding label
    """
    if row.Age == 100:
        label = '100-104'

    else:
        label = str(row.Age) + '-' + str(row.Age + 9)

    return label