4.7.1. String Methods str.capitalize() --> String 返回字符串,其首字母大写,其余部分小写 str.casefold() --> String字符串转换成小写,用于不区分大小写的字符串比较 str.casefold() --> String字符串转换成小写,用于不区分大小写的字符串比较 str.center(width[, fillchar]) -->String 指定长度(此处是...
2. center(width[, fillchar]) View Code 3. count(sub, start= 0,end=len(string) View Code 4. decode(encoding='UTF-8',errors='strict') encode(encoding='base64',errors='strict') View Code 5. endswith(suffix[, start[, end]]) View Code 6. expandtabs(tabsize=8) View Code 7.find(...
❮ String Methods ExampleGet your own Python Server Where in the text is the word "welcome"?: txt ="Hello, welcome to my world." x = txt.find("welcome") print(x) Try it Yourself » Definition and Usage Thefind()method finds the first occurrence of the specified value. ...
thisisstring>>>printstr.expandtabs(6) thisisstring>>>printstr.expandtabs(7) thisisstring>>>printstr.expandtabs(8) thisisstring>>>printstr.expandtabs(9) thisisstring>>>printstr.expandtabs(10) thisisstring>>>printstr.expandtabs(11) thisisstring 8.str.find(sub[,start[,end]]) find 可以找到...
s = 'string methods in python'.rsplit(' ', maxsplit=1) print(s) # ['string methods in', 'python'] 6、Slicing slicing切片,按照一定条件从列表或者元组中取出部分元素(比如特定范围、索引、分割值) s = ' hello ' s = s[:] print(s) # hello s = ' hello ' s = s[3:8] print(s)...
StartFind[label="字符串存在"]NotFound[label="字符串不存在"] 在状态图中,Start表示查找的起始状态,Find表示查找子字符串的过程,NotFound表示子字符串不存在的状态。通过状态图,我们可以更直观地理解和描述这个过程。 参考文献: Python官方文档:[String Methods](...
代码示例参考自 [Python String Methods]( flowchart TD A[开始] B[定义字符串变量string和字符变量char] C[使用find()方法查找字符位置] D[打印结果] E[使用index()方法查找字符位置] F[打印结果] G[使用正则表达式查找字符位置] H[打印结果] I[使用enumerate()函数查找字符位置] ...
Working of Python string's find() and rfind() methods Example 1: find() With No start and end Argument quote ='Let it be, let it be, let it be'# first occurance of 'let it'(case sensitive) result = quote.find('let it') ...
There are a bunch of fun methods for transforming our string text. Among those that are more important to understand to make real-world applications we can find thelower(),upper(), strip(), count()andjoin()methods. Thestrip()method is useful when dealing with user input as it gets rid...
Methods to Find a String in a List 1. Using theinOperator (Fastest for Membership Testing) Theinoperator is the most straightforward way to check if a string is present in a list. It is also the fastest method for membership testing, making it a great choice for simple checks. Here’s...