摘要：第 5 章 if 语句 cars = ['audi', 'bmw', 'subaru', 'toyota'] for car in cars: if car == 'bmw': print(car.upper()) else: print(car.title()) #Audi #BMW #Subar 阅读全文

摘要：第 2 章 变量和简单的数据类型 2.3 字符串 2.3.1 title/upper/lower大小写 name = "ada lovelace" print(name) # ada lovelace print(name.title()) # Ada Lovelace print(name.upp 阅读全文