得值有 'ignore', 'replace', 'xmlcharrefreplace', 'backslashreplace' 以及通过 codecs.register_error() 注册的任何值。 值: 该方法返回解码后的字符串。 = "菜鸟教程"; str_utf8 = str.encode("UTF-8") str_gbk = str.encode("GBK") print(str) print("UTF-8 编码:", str_utf8) ...
title Avoiding Escaping in Python Strings section Using Raw Strings Python handles the special characters in strings section Using Double Backslash Avoid the escape by using double backslash section Using String Formatting Insert special characters using string formatting section Using Triple Quotes Represent...
1 普通字符串 str ='value'str="value"str='''value'''str="""value"""三个引号时,字符串的值可以跨行 2 转义字符 \(在行尾时) 续行符 \\ 反斜杠符号(\) \'单引号\"双引号\n 换行 \t 横向制表符 \r 回车 \a 响铃 \b 退格 \000或\0 空 \v 纵向制表符 \f 换页 \0yy yy是两个八进...
1 tabby_cat = "\tI'm tabbed in." 2 persian_cat = "I'm split\non a line." 3 backslash_cat = "I'm \\ a \\ cat." 4 5 fat_cat = """ 6 I'll do a list: 7 \t* Cat food 8 \t* Fishies 9 \t* Catnip\n\t* Grass 10 """ 11 12 print(tabby_cat) 13 print(persian...
encode. For stderr, the errorhandler part is ignored; the handler will always be ´backslashreplace´. PYTHONNOUSERSITE If this is set to a non-empty string it is equivalent to specifying the -s option (Don't add the user site directory to sys.path). PYTHONUNBUFFERED If this is set...
1Cell In[1],line32print("Ilike typingthis.3^4SyntaxError:unterminated stringliteral(detected at line1) 重要的是你能够阅读这些错误消息,因为你将犯许多这样的错误。即使我也会犯许多这样的错误。让我们逐行查看这个。 我们使用SHIFT-ENTER在 Jupyter 单元格中运行了我们的命令。
1 tabby_cat = "\tI'm tabbed in."2 persian_cat = "I'm split\non a line."3 backslash_cat = "I'm \\ a \\ cat."45 fat_cat = """6 I'll do a list:7 \t* Cat food8 \t* Fishies9 \t* Catnip\n\t* Grass10 """1112 print(tabby_cat)13 print(persian_cat)14 print(backs...
Eric Idle\"}" SyntaxError: f-string expression part cannot include a backslash 可以使用变量先对表达式求值,然后使用结果: >>> name= "Eric Idle\\" >>> print(f"{name}") Eric Idle\ 6) 表达式的lambda函数 由于“:”被解释为格式规格符的开头,这会导致lambda在语法上无效: >>> f"{...
python3字符数组 python中字符串数组,Pyhton有八大数据类型:number(数字)、string(字符串)、list(列表)、tuple(元组)、dict(字典)、set(集合)、Boolean(布尔值)和None(空值)。其中,前六种被称为"Python的六大标准数据类型"。今天的主角就是其中的字符串
Note The formatting operations described here exhibit a variety of quirks that lead to a number of common errors (such as failing to display tuples and dictionaries correctly). Using the newer formatted string literals, the str.format() interface, or template strings may help avoid these errors...