Method __init__

example/utility/loading_bar.py:2–4

(self, length: int = 40)

class LoadingBar:
    def __init__(self, length: int = 40):
        self.length = length
        self.symbols = ['┈', '░', '▒', '▓']

    def __call__(self, progress: float) -> str:
        p = int(progress * self.length*4 + 0.5)