convert string to list python

Assigning values to variablesVariable assignments in Python do not require a type declaration.Each variable is created in memory and includes information about the identity, name, and data of the variable.Python allows assigning values to multiple variables at the same timeA = b = C =1'b', 1.1 # assigns a value of 1, ' B ' to a, b,1.1 assignment to CStandard data typesPython has five standard data types

the right of the string by default. The execution result is helloprint ('\ nmysql abcd '. strip () # by default, the spaces and line breaks on both sides are removed. The execution result is mysql abcd. print ('mysqlmy') cannot be removed for spaces in the middle '. strip ('M') # Remove the specified string, for example, remove the m elements on both sides. Execution result: ysqlm y The

#-*-coding:utf-8-*-#1, DictionariesDict = {' name ': ' Zara ', ' age ': 7, ' class ': ' First '}#字典转为字符串, return: Print type (str (dict)), str (DICT)#字典可以转为元组, return: (' age ', ' name ', ' class ')Print tuple (dict)#字典可以转为元组, return: (7, ' Zara ', ' first ')Print tuple (dict.values ())#字典转为列表, return: [' age ', ' name ', ' class ']Print List (dict)#字典转为列表Print Dict.values#2, tuplestup= (1, 2, 3, 4, 5)#元组转为字符串, return: (1, 2, 3, 4, 5)Print tup.__str__

format them to the specified position (uppercase E) F. Convert integers and floating-point numbers to floating-point numbers and format them to the specified position (the default value is 6 digits after the decimal point) F, same as above G. It is automatically adjusted to convert integers and floating-point numbers into floating-point or scientific notation (more than 6 digits are counted in scientifi

entry. This is a necessary condition for distinguishing a single tuple from a method call, which will be discussed in detail in future articles. List is unnecessary, although a single comma is allowed. As usual, to get more information about the Python topic, you can use the built-in help interpreter, for example, listing 2 shows the help description of how to start the

Python self-study day-Two day (2)-python-list-tuples-dictionary, python- ListFormat: name = []Name = [name1, name2, name3, name4, name5] # List operations Name. index ("name1") # query the name of the specified value. count ("name1") # query the name of the total number of s

". Strip ())#go to all the carriage returns/spacesP= Str.maketrans ("abcdef","123456")#one by one corresponding Replacement/translationPrint("Alex Li". Translate (p))Print("Alex a A". replace ("a","A", 2))#Replace replacement, control numberPrint("Aebcdef". RFind ("e"))#Find it from the right and find the one on the right.Print("Alex Li Aa". Split ())#To convert a string to a

, 2,-4, 2])# Minimum value Sum ([2,-1, 9, 12])# Sum Type conversion INT ("5 ")# Convert to integer Float (2)# Converting to float Long ("23 ")# Convert to a long integer STR (0, 2.3)# Convert to string Complex (3, 9)# Return the plural 3 + 9i Ord ("")# Value corresponding to the "A" Character CHR (

This article describes how to convert python images to pdf files in detail, which has some reference value, interested friends can refer to this article for details about the python image-to-pdf method, which has some reference value. interested friends can refer Import OS Import sys From reportlab. lib. pagesizes import A4, landscape From reportlab.pdf gen impo

This article mainly introduces how to convert the ancestor of python into an array, and describes how to use the list method in Python, for more information, see the example in this article. Share it with you for your reference. The specific analysis is as follows: The element of the

. capitalize () # uppercase lettersS. lower () # lower caseS. upper () # convert to uppercaseS. swapcase () # case-insensitive swapS. split (str, '') # convert string to list and split with spacesS. join (list, '') # convert

DescribeThe list () method is used to convert tuples to lists.Note: tuples are very similar to lists, except that the tuple's element values cannot be modified, the tuple is enclosed in parentheses, and the list is placed in square brackets.GrammarList () method syntax:List (seq)Parameters List-the tuple to

Python print encoding has many application scopes. Here we will first look at how to convert the default encoding into system encoding. I hope you will have some gains. When encode is used and decode is used, it is always confused at the beginning. In fact, the English name of various local Character sets is Coded Character Set. to convert it to Coded, it must be

). This 51a0 and 7434 represent 16 binary 4 bytes, which is Unicode encoding, Python certainly has to provide numbers to character or byte array to string function, you have to process them into numbers, and then go.Javascript: this is actually This is actually UnicodeCode. Unicode uses a 16-bit integer to represent any character that exists in the world, that is, any character that can be displayed

Sequence Index: Index is the key value of the PHP array. Starting from 0.Fragmentation: PHP's slice, if number[3:9] Note that the intercepted value starts at the 4th index.Step size: The stepping length of each operation of the fragment. Can not be 0, to be a negative number, that is, from the back forward. Sequence addition: Connecting operations using the + number for sequenceTwo sequences of the same type can be added.Multiplying a sequence with a number x will generate a new sequence, and

Introduction to the lower () method used to convert lowercase letters in Python This article mainly introduces the lower () method used in Python to convert letters to lowercase letters. It is a basic knowledge in Python learning. For more information, see The lower () metho