def dollar_signs(value, failure_string='N/A'):
    """
    Converts an integer into the corresponding number of dollar sign symbols.
    
    If the submitted value isn't a string, returns the `failure_string` keyword
    argument.
    
    Meant to emulate the illustration of price range on Yelp.
    """
    try:
        count = int(value)
    except __HOLE__:
        return failure_string
    string = ''
    for i in range(0, count):
        string += '$'
    return string
dataset/ETHPy150Open eyeseast/python-tablefu/table_fu/formatting.py/dollar_signs