CS61A python---字符串/常见错误/*args

liankewei

于 2022-02-26 15:31:00 发布

阅读量46

点赞数

文章标签： python java 服务器前端 linux

本文链接：https://blog.youkuaiyun.com/liankewei123456/article/details/133006185

版权

本文详细介绍了如何使用Python将数字转为字符串，字符串拼接与格式化，如`str(1)`、`f-string`的应用，以及处理变量如`artist`, `song`, 和 `place` 的例子。同时展示了常见的错误类型和字符串操作技巧。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

CS61A python---字符串

str(1) = '1'

把数字等转化为字符串

+ : 连接字符串

print(f"Debuting at #{place}: '{song}' by {artist}")

artist = "Lil Nas X"
song = "Industry Baby"
place = 2

print("Debuting at #" + str(place) + ": '" + song + "' by " + artist)
print(f"Debuting at #{place}: '{song}' by {artist}")

# Debuting at #2: 'Industry Baby' by Lil Nas X
# Debuting at #2: 'Industry Baby' by Lil Nas X

greeting = 'Ahoy'
noun = 'Boat'

print(f"{greeting.lower()}, {noun.upper()}yMc{noun}Face")
print(f"{greeting*3}, {noun[0:3]}yMc{noun[-1]}Face")
# ahoy, BOATyMcBoatFace
# AhoyAhoyAhoy, BoayMctFace

各种报错