def __init__(self, target, width=30, verbose=1):
        self.width = width
        self.target = target
        self.sum_values = {}
        self.unique_values = []
        self.start = time.time()
        self.total_width = 0
        self.seen_so_far = 0
        self.verbose = verbose
@param target: total number of steps expected
dataset/ETHPy150Open hycis/Mozi/mozi/utils/progbar.py/Progbar.__init__