else: bello=data.assign(API=(((500-401)/(500.4-350.5))*(y-350.5))+401) return bello y=data['PM2.5'] print(calculation(y)) Hi everyone, 我想使用上面的编码将空气质量数据转换为PM2. 5,使用上面的条件和等式。 我收到一个错误“ValueError:序列的真值不明确。请使用a.empty、a.bool()、a.item...
它的作用可以简单地概括为非此即彼，满足条件A则执行A的语句，否则执行B语句，python的if...else......
https://www.hackerrank.com/challenges/py-if-else/problem pythonhelpif-elsehackerrankpyhton3 2nd Feb 2021, 10:56 PM Ailana 1 Answer Answer + 1 I don't get your solution at all, according to me question is simply asking this . n=int(input()) if n%2!=0: print("Weird") elif n%2...
else语句与if语句配合使用,可以在if语句为false的情况下执行替代代码。else语句的语法如下: if condition: #执行语句 #执行语句 #…… else: #执行语句 #执行语句 #…… 在这个语句块中,如果条件为真,则执行if语句下的所有语句;否则,执行else语句下的所有语句。 例子: x = 10 if x > 20: print("x is ...
python中关于if-else使用性能的一点感悟 今天做leetcode第7题关于数字倒序的问题,分别使用如下程序:(72ms) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 classSolution: defreverse(self, x): """ :type x: int :rtype: int """ #maxNum = 2**31-1...
而且 Python 是通过缩进控制条件块的，相同缩进数的语句在一起组成一个语句块，和 PHP 的 if else ...
The Python if..else statement executes a block of code, if a specified condition holds true. If the condition is false, another route can be taken.
No, "else if" statements are widely used and supported in many programming languages, including C, C++, Java, Python, JavaScript, and more. The syntax might vary slightly, but the concept of evaluating multiple conditions remains the same. ...
How does the "else if" statement work? When you use the "else if" statement, the program checks the condition associated with it. If the condition is true, the corresponding block of code is executed. If the condition is false, the program moves on to the next "else if" statement or...
This post has shown how to compare two lists in Python. In case you have further questions, you may leave a comment below.This page was created in collaboration with Paula Villasante Soriano. Please have a look at Paula’s author page to get more information about her academic background ...