3. List Comprehension using If-else We use anif-elsestatement within a list comprehension expression. This allows us to choose between two possible outcomes for each item in the iterable. It’s a useful feature
Python break and continue Python if...else StatementIn computer programming, the if statement is a conditional statement. It is used to execute a block of code only when a specific condition is met. For example, Suppose we need to assign different grades to students based on their scores.If...
In Python, you can use a concise syntax for simpleif/elsestatements. This is known as the Ternary Operator. It’s a one-liner conditional expression that evaluates to a value based on a condition. Example: num=int(input("Enter a number: "))result="Even"ifnum%2==0else"Odd"print(resul...
1. myname='Sophia' 2. if myname=='Jane': 3. print "The is the first sister" 4. elif myname=='Ella': 5. print'This is the second sister' 6. else: 7. print 'This is Sophia' 8. 1. 2. 3. 4. 5. 6. 7. 8. python的代码块分隔符: 1. x=1 2. if x: 3. 2 4. if...
Python if 语句 Python3 实例 以下实例通过使用if...elif...else语句判断数字是正数、负数或零: 实例(Python 3.0+) # Filename : test.py# author by : www.runoob.com# 用户输入数字num=float(input("输入一个数字:"))ifnum>0:print("正数")elifnum==0:print("零")else:print("负数")...
if…elif…elseare conditional statements used inPythonthat help you to automatically execute different code based on a particular condition. This tutorial explains each statement in this Python construct, along with examples. To easily run all the example code in this tutorial yourself, you cancreate...
There is no limit to the number ofelifstatements you can include in a Python program. You can test dozens of conditions using multipleelifstatements as long as you close with anelsestatement. Let’s try to understand this with an example: ...
Example: R if...else if...else Statement x <- 0 # check if x is positive or negative or zero if (x > 0) { print("x is a positive number") } else if (x < 0) { print("x is a negative number") } else { print("x is zero") } Output [1] "x is zero" In the abov...
Here’s an example of using the logical operator named Not in Python user_age = int(input("Enter your age: ")) if not user_age > 18: print(f"You cannot donate blood, please come back after {18-user_age} years") else: print("Verificatin Successfull, you can donate blood") ...
三、ELSEIF在不同编程语言中的应用 不同的编程语言有不同的语法规则,例如Python中用elif,而C++、C#、Java等使用的则是else if。但它们的核心概念是一样的,都提供了程序设计中的条件选择功能。 四、ELSEIF的优点 使用ELSEIF使得程序的读写更加直观易懂,逻辑逐级递进,为代码的维护和更新提供了极大的便利。它让多...