摘要： >>> players = ['charles', 'martina', 'michael', 'florence', 'eli'] >>> print(players[0:3]) ['charles', 'martina', 'michael'] >>> print([2:4]) SyntaxError: invalid syntax >>> print([2:4]) SyntaxError:. 阅读全文

摘要： bicycles = ['trek','cannondale','redline','specialized'] print(bicycles) >>> bicycles = ['trek','cannondale','redline','specialized'] >>> message = "My first bicycle was a "+ bicycles[0].title() + "... 阅读全文

摘要： name = "ada lovelace" print(name.title()) Ada Lovelace name2 = "Ada Lovelace" print(name2.upper()) ADA LOVELACE print(name2.lower()) ada lovelace firstname = "ada" lastname = "lovelace" fullname =... 阅读全文

摘要： name = input("请输入姓名：") age = input("请输入年龄：") height = input("请输入身高：") msg = "我叫%s,今年%s岁,身高%scm" %(name,age,height) print(msg) name = input('请输入姓名：') age = input('请输入年龄：') job = input('请输入工作：') ho... 阅读全文

摘要： sum = 0 count = 1 while count < 100: if count % 2 == 0 : sum = sum - count else: sum = sum + count count += 1 print(sum) 阅读全文

摘要： sum = 0 count = 1 while count <= 100: sum = sum + count count += 1 print(sum) 阅读全文