python conditional assignment

A python conditional statement determines the code block that executes by executing the result of one or more statements (true or false). You can easily understand the execution of conditional statements by: The Python program language specifies any non-0 and non-null (NULL) values of true,0 or NULL to FALSE. In

][2]) #结果: Apple Python Lisa 4. Conditional Judgment and circulation Conditional judgment and C language very much like, If–else If–else If–else, just became if–elif–elif–else, nothing to say like ~Loops and C are also more like, there are two kinds, a for loop a while loop, first said for loop:The python for loop fo

Write todayCodePython does not support C-style con? A conditional expression such as exp1: exp2 was found to have added this function in 2.5, but it was expressed in another way, the following is a description provided in Python 2.7.1. A simple translation is provided here: New features in version 2.5 Conditional_expression: =Or_test["If"Or_test"Else"Expression] Expression: =Conditional_expres

This article mainly introduces the conditional judgment statement in Python, is the basic knowledge in Python introduction, need friends can refer to the An else statement can be combined using an if statement. If the conditional expression in the If statement resolves to a value of 0 or FALSE, the Else statement cont

The Python conditional statement learns one, pre-concept preparation code block:A code block refers to the content of the code that is indented after a colon. The code block defaults to four spaces, which you can indent with the TAB key.The basic form of the IF condition statement: 1, the basic if statementThe basic if statement is actually basic:If condition:The code of the established line................

Indent inPython's greatest feature is the code that is labeled as a block in indentation.This is clearly different from other languages, such as the familiar C language:if 0 ) { num+ =1; Flag-=1;}And in Python:If flag>= 0: num+=1 flag-=1 Num+=1 and Flag-=1 are indented in front of four spaces. By indenting, Python recognizes that both statements are subordinate to the IF.Conditional judgmentThe colon after the IF statementIndentation in

Mutexes are the simplest thread-synchronization mechanism, and Python-provided condition objects provide support for complex thread synchronization issues. condition is called a conditional variable and provides the wait and notify methods in addition to the acquire and release methods similar to lock. The thread first acquire a condition variable and then determines some conditions. Wait if the condition i

1. Python conditional judgment: if and ElseArithmetic operators can be used in conditional judgmentsequals: = =Not equal to:! =Greater than:>Less than:Greater than or equal to: >=Less than equals: Example 1:Username=input (' Please enter user name: ')Passwd=input (' Please enter password: ')If username = = ' mpp ' and passwd = = ' 123 ': Print (' Login success

1,python Process Control single condition basic statement2,python process Flow Multi-condition control statement1,python Process Control single condition basic statementIf judgment condition: Execute statement ... else: EXECUTE statement ....Judge the condition to be true, that is, execute the statement, otherwise execute the statement in the else. The vari

This article mainly describes the Python return true or false (real) small tricks, this article discusses the most concise conditional judgment sentence wording, this article gives two concise wording, the need for friends can refer to the next The following code: def islen (strstring): If Len (strstring) >6: return True else: return False You may have found that in

Conditional judgmentComputers can do a lot of automated tasks, because it can make their own conditions to judge.For example, enter the age of the user, print different content according to age, in the Python program, with the if statement implementation:20if age >= 18: print(‘your age is‘, age) print(‘adult‘)According to the indentation rules of Python, If

This article mainly describes the Python return true or false (real) small tricks, this article discusses the most concise conditional judgment sentence wording, this article gives two concise wording, the need for friends can refer to the next The following code: def islen (strstring): If Len (strstring) >6: return True else: return False You may have found that in

Use of If,elseIn a Python program, the IF statement implements:score = 95if score >= 90: print(‘Outstanding‘)?If the condition is followed by a conditional judgment statement, if the result of the judgment statement is true, execute if the statement indented under if, otherwise, do not execute ~If ... else ... Statement, if the judgment statement after the IF is not true, then the indent statement follow

Conditional judgment can be divided into:Single-branch judgment: only one if statementTwo-branch judgment: if Else's formatMulti-Branch judgment: if elif else formatConditional statement nesting judgment#Here's a conditional multi-branch judgment .Score = 85if : Print("Excellent")elif : Print("Medium")elif : Print("Pass")Else : Print("not qualified")Python