convert string to list python

Create a list Copy Code code as follows: Sample_list = [' A ', 1, (' A ', ' B ')] Python list Operations Copy Code code as follows: Sample_list = [' A ', ' B ', 0,1,3] Get one of the values in the list Copy Code code as follows: Value_start = sample_list[0]

This article describes how to convert string and dictionary types in Python, for more information about how to convert string and dictionary types in Python, see the following example. The specific method is as follows: 1.

' Age=28Addr='Chengdu' Money='200w'Cars='1w Units'words='INSERT INTO user values ("%s", "%s", "%s", "%s", "%s", "%s");'% (User,sex,age,addr,money,cars)#order can not be chaotic, must be in order toPrint(words)The output is:Insert into user values ("Emily", "female", "28", "Chengdu", "200w", "1w Station")Mode 2user ='Emily'Sex='female' Age=28Addr='Chengdu' Money='200w'Cars='1w Units'SQL='INSERT into user values ({name},{sex},{age},{addr},{qian},{che})'New_sql=sql.format (age=age,che=cars,name=use

This article describes how to convert a python string to a Moles code. it involves Python string and encoding operations and is very simple and practical, for more information about how to convert a

1. Using the list method to convert a string to a character list, the list function converts the string to a separate letter650) this.width=650; "src=" Https://s5.51cto.com/wyfs02/M00/8F/62/wKiom1jcnIuAS2YyAAAIKyYOUwI949.png "titl

Convert a python datetime string to a Unix Timestamp Today, I encountered a problem when I used python to write a small program for capturing web pages. The time string on the page, for example, '(17:38:49)', needs to be converted UNIX timestamp. The strtotime function was

, along with the following newline character, is ignored:1>>>Print("""2 ... usage:thingy [OPTIONS]3 ...-h Display this usage message4 ...-h hostname hostname to connect to5 ... """)6 usage:thingy [OPTIONS]7-h Display This usage message8-H hostname hostname to connect to9 Ten>>> 2-5 rows of three points is a prompt Line 1th has been used \ implements the continuation function, so u becomes the first character of the string The last cha

Answer: (http://stackoverflow.com/) PS: This website solves my many questions ah, everybody more on>>>s= ' \u9648\u4f1f\u9706\u5176\u5b9e\u662f\u4e2a ' >>>print s.decode (' Unicode-escape ') >> > This is actually a　　First you have a string similar to this:\u9648\u4f1f\u9706\u5176\u5b9e\u662f\u4e2aSo you try to print directly, hoping to become Chinese>>>s = ' \u9648\u4f1f\u9706\u5176\u5b9e\u662f\u4e2a ' >>>print s>>>\u9648\u4f1f\u9706\ U5176\u5b9e\u662

This article mainly introduces the basic operations of Python list, dictionary, and string. This article summarizes the most basic and commonly used operations, for more information, see create a list. The code is as follows: Sample_list = ['A', 1, ('A', 'B')] Python

}–dict.update (DICT2) adds A dictionary dict2 key-value pair to the dictionary Dict–dict.clear () Delete all the elements in the dictionaryCollection,There can be only one string or list in the collection, which is used to repeatA=set (' Novogene ')A=set ([1,2,3,4,5,1,1])? How to update a collectionA=set ([1,2,3,4,5])–a.add (6) Adding an object in collection a 6–t=[6,7,8]–a.update (t) adds an iterator to an

)False: Roman numerals, Chinese numeralsError:byte number (single byte)32, S.isnumeric (), BOOLWhether the string contains only numbersTrue:unicode numbers, full-width numerals (double-byte), Roman numerals, Chinese numeralsFalse: NoneError:byte number (single byte)33, S.isdigit (), BOOLWhether the string contains only numbersTrue:unicode number, byte digit (single byte), full-width digit (double byte), Rom

4 radiansdict . Get (Key, Default=none) Returns the value of the specified key if the value does not return the default value in the dictionary 5 radiansdict.has_key (key) if the key Returns true in Dictionary Dict otherwise returns false 6 radiansdict.items () Returns a traversed (key, value) tuple array in a list 7 radiansdict.keys () Returns a dicti

. 2. The index of the first element of a sequence is always 0. What if the index is negative? Python starts counting from the right, the last element, and the last element's index is always-13, the string literal (as well as the other sequence literals) can use the index directly, without needing a variable to refer to them 4, if a function returns a sequence, you can also index the result of the return 5,

Python sequence: string, list, tuple sequence: A structure built-in function that contains a sequence of objects: str () list () tuple () can use STR (obj) to convert object obj to String lis