This resource offers a total of 750 Python Basic problems for practice. It includes 150 main exercises, each accompanied by solutions, detailed explanations, and four related problems. [An editor is available at the bottom of the page to write and execute the scripts.Go to the editor] ...
PAT (Basic Level) Practice (中文)1009 说反话 1009. 说反话 (20) 时间限制 400 ms 内存限制 65536 kB 代码长度限制 8000 B 判题程序 Standard 作者 CHEN, Yue 给定一句英语,要求你编写程序,将句中所有单词的顺序颠倒输出。 输入格式:测试输入包含一个测试用例,在一行内给出总长度不超过80的字符串。字符串...
=1:ifn %2==0:# 奇数n /=2else:# 偶数n = (3*n+1) /2count +=1# 输出print(count) 按上面这样提交会报“非零返回”,不知是什么原因,暂时修改成下面这样,PTA提示答案正确。 n =int(input())# 判断n的奇偶性,根据奇偶性进行计算count =0whilen !=1:ifn%2 ==0:# 奇数n/=2else:# 偶数n...
Note: In Python, the built-in functions associated with data types, such as int(), float(), str(), and bytes(), are classes with a function-style name. The Python documentation calls them functions, so you’ll follow that practice in this tutorial. However, keep in mind that something...
PCEP Certification Practice Test - Questions, Answers and Explanations Below is a set of questions for the Certified Entry-Level Python Programmer (PCEP) examination focusing on the subtopic "basic string functions and methods." The questions use various formats, including single- and multiple-select...
Day 1: Introduction to Python and scientific programming. Basics in Python: data type, contro structures, fu nctions, l/O file. Day 2: Computation with Numpy, Scipy, Matplotlib and other modules. Solving some maths problems with Python. Day 3: Time series: statistics and real data analysis...
Python: count=1ifcount>0:print"Hello" The colon in the Python code after theifstatement is mandatory; it can help to think of it as similar to thethenkeyword in Visual Basic. Programs like Geany help you with indentation; pressing enter after the colon will automatically indent the cursor....
The fundamental building block of OpenAI Gym is theEnvclass. It is a Python class that basically implements a simulator that runs the environment you want to train your agent in. Open AI Gym comes packed with a lot of environments, such as one where you can move a car up a hill, balan...
Ethical hacking is the practice of using hacking techniques to test the security of a computer system or network. Ethical hackers like myself try to find ways to break into a system in order to find security vulnerabilities that could be exploited by malicious hackers. This practice is also kn...
You'll get better programming tools (including C, LISP, Python, and Perl) than any Microsoft operating system can dream of hosting, you'll have fun, and you'll soak up more knowledge than you realize you're learning until you look back on it as a master hacker. For more about ...