string.replace(old,new) 1. 其中,old表示要替换的字符,new表示替换后的字符。 下面是一个示例,演示如何使用replace()函数替换字符串中的单引号为双引号: # 定义一个包含单引号的字符串string_with_single_quote="I'm a Python developer."# 使用replace()函数替换单引号string_with_double_quote=string_with_...
defreplace_quotes(string):# 替换单引号为双引号string=string.replace("'",'"')# 替换双引号为单引号string=string.replace('"',"'")returnstring# 测试代码original_string="I'm a Python programmer. My favorite quote is \"Hello, world!\""replaced_string=replace_quotes(original_string)print(replace...
# A single quote stringsingle_quote='a'# This is an example of a character in other programming languages. It is a string in Python# Another single quote stringanother_single_quote='Programming teaches you patience.'# A double quote stringdouble_quote="aa"# Another double-quote stringanother...
s = 'Hello world' t = s.replace('Hello' , 'Hallo') # 'Hallo world' 更多字符串方法:字符串具有各种各样的方法用于测试和处理文本数据。下面是字符串方法的一小部分示例:s.endswith(suffix) # Check if string ends with suffix s.find(t) # First occurrence of t in s s.index(t) # First ...
replace sample idxmin div iloc add_suffix pipe to_sql items max rsub flags sem to_string to_excel prod fillna backfill align pct_change expanding nsmallest append attrs rmod bfill ndim rank floordiv unstack groupby skew quantile copy ne describe sort_index truediv mode dropna drop compare tz...
Strings areimmutable, i.e., their contents cannot be modified. String functions such asupper(),replace()returns a new string object instead of modifying the existing object. Tuples are similar to list except that they are immutable (like string). A tuple is enclosed in parentheses(). ...
search(substring, string)) # Replace string print(re.sub(substring, replacement, string)) Output: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 pro1234ming 字符串格式 f-string 和 str.format() 方法用于格式化字符串。两者都使用大括号 {} 占位符。例如: 代码语言:javascript 代码运行次数:0 ...
# 使用双引号定义字符串,包含单引号string_with_single_quote="这是一个包含单引号的字符串:'你好,世界!'"print(string_with_single_quote)# 使用单引号定义字符串,包含双引号string_with_double_quote='这是一个包含双引号的字符串:"你好,世界!"'print(string_with_double_quote) ...
Following table is a list of escape or non-printable characters that can be represented with backslash notation. An escape character gets interpreted; in a single quoted as well as double quoted strings. String Special Operators 字符串运算符(或者说是操作符更准确) ...
64 >>> cubes[3] = 64 # replace the wrong value >>> cubes [1, 8, 27, 64, 125] 您还可以使用该append() 方法在列表末尾添加新项目(我们稍后会看到有关方法的更多信息): >>> >>> cubes.append(216) # add the cube of 6 >>> cubes.append(7 ** 3) # and the cube of 7 >>> ...