摘要： 一、读文件 filename = 'pi_digits.txt' with open(filename) as file_object: contents = file_object.read(） >读取 print（contents）  lines = file_object.readlines 阅读全文

摘要： class Car(): def __init__(self, make, model, year): self.make = make self.model = model self.year = year self.odometer_reading = 0 def get_descriptive 阅读全文