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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 convert_csv_str_to_list(csv_str: str) -> list: """Convert CSV str to list"""


    csv_str = re.sub("^\s*{", "", csv_str)
    csv_str = re.sub("}\s*$", "", csv_str)
    r = csv.reader([csv_str])
    row = list(r)[0]
    new = []
    for col in row:
        col = re.sub('^\s*"?\s*', "", col)
        col = re.sub('\s*"?\s*$', "", col)
        new.append(col)

    return new