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Summary of Python built-in string methods, python strings String processing is a very common skill, but there are too many built-in string methods in Python that are often forgotten. For quick reference, I wrote examples for each built-in method

1.1 Python OS. Path Module OS. Path. abspath (PATH) # returns the absolute path.OS. Path. basename (PATH) # returns the file name OS. Path. commonprefix (list) # returns the longest path of all paths in List (multiple paths. OS. path. dirname (PATH)

Judgement-A bool value is usually returned. Str. isalpha () Whether to include only text Str. isdecimal () Whether to include only numbers (multilingual numbers) Str. isdigit () Whether to include only numbers (0 ~

 Basic articleThis chapter outlines:character encoding and interpreter codingVariable naming rules　　base data type (i) intunderlying data type (b) stringunderlying data type (iii) BOOLbasic data type (iv) ListUnderlying data type (v) tuplebasic data

This article mainly introduces some of the following Python's built-in string methods, including overview, string case conversion, string format output, string search positioning and substitution, string union and segmentation, string conditional

1. Arithmetic operation:2. Comparison operation:3. Assignment Operation:4. Logical Operation:5. Member Arithmetic: 1, intPython2 int has range, and long integer typePython3 all the numbers are int no matter how longOn a 32-bit machine, the number of

Python path [Article 2]: Python basics, python Article 2For Python, everything is an object, and objects are created based on classes. Therefore, the following values are all objects: "zhurui", 22, ['beijing', 'shanghai', 'shenzhen'], and are

This article introduces the function example of the python3 string to describe the add function (append a string later) S1 = 'hello' s2 = s1. _ add _ ('Boy! ') Print (s2) # output: Hello boy! Contains (returns True if a string is included) S1 =

1 #Author:ersa2 3Name ="Ersa"4 5 #Initial Capital capitalize ()6 Print(Name.capitalize ())7 8Name ="My name is Ersa"9 #number of substring repeats in stringTen Print(Name.count ("a")) One A #The Center () string prints the output in the middle and

Basic data types in detail one, str string1.capitalize string first letter capitalization　　Does not change itself, it generates a new value1 name = ' Zhangsan ' 2 new_name = name.capitalize () 3 print (name) 4 print (new_name) 5 6 output: 7 zhangsan8