future_sky_word的博客

代码一：city_functions.pydef city_country(city,country,population=""): if population: return city.title() + " " + country.title() + " " + population else: return city.title() + " " + country.title() 代码二：test_cities.pyimport unittes

首先我仿照案例编写了一个程序，主要用函数import jsondef get_stored_numbers(): """获取以及存储过的数字""" file_name = "numbers.json" try: with open(file_name) as file_object: number = json.load(file_object) except FileNotFoundError: return N

首先我仿照案例编写了一个程序，主要用函数import jsondef get_stored_numbers(): """获取以及存储过的数字""" file_name = "numbers.json" try: with open(file_name) as file_object: number = json.load(file_object) except FileNotFoundError: return N

贴一下调试过程自己犯的错误，警示自己，还是不够熟练class Car(): def __init__(self,make,model,year): self.make = make self.model = model self.year = year self.odometer_reading = 0 def get_descriptive_name(self): long_name = str(self.