AI代码解释 # This program adds up integers that have been passedasargumentsinthe command lineimportsystry:total=sum(int(arg)forarginsys.argv[1:])print('sum =',total)except ValueError:print('Please supply integer arguments') 为什么只有7行呢,因为第8行在命令行中输入: 代码语言:javascript 代码运...
Example: Simple Calculator by Using Functions # This function adds two numbers def add(x, y): return x + y # This function subtracts two numbers def subtract(x, y): return x - y # This function multiplies two numbers def multiply(x, y): return x * y # This function divides two ...
Let's see a quick start example of our Python API client below using our blog onThe Best Python Web Scraping Librariesas a test case. We'll extract the title of the blog and the list of sections. To follow along, you will need a ScrapingBee API keywhich you can get here with 1,00...
'>">>>len(unreadThreads[0].messages)2>>>str(unreadThreads[0].messages[0])"<GmailMessage from='Al Sweigart <al@inventwithpython.com>'to='Jon Doe<example@gmail.com>' timestamp=datetime.datetime(2018,12,9,13,28,48)subject='RoboCop'snippet='Do you want to watch RoboCop this weekend?'...
Example:if kids had 3 doughnuts, they would set number_of_doughnuts equal to 3, like so: number_of_doughnuts = 3 Assigning this value of “3” to the variable is called initializing. Printing Variables For kids to be able to see the value of their variable when they run their program,...
logging.basicConfig(filename='./example.log', level=logging.INFO) logging.debug('DEBUG’) # 配置文件中设定的日志级别是INFO,比这个级别低的debug不会输出。 logging.info('Info') logging.warning('Warning') 结果: $ cat example.log INFO:root:Info WARNING:root:Warning # 日志格式中加上时间 >>> ...
The following is a simple example demonstrating how to use exception handling to avoid division by zero errors:此代码尝试进行除法运算，如果除数为零，则会触发 ZeroDivisionError 异常，并输出提示信息。 This code attempts to perform a division operation. If the divisor is zero, it triggers a ZeroD...
“ay”. If a word begins with a vowel you just add “way” to the end. For example, pig becomes igpay, banana becomes ananabay, and aadvark becomes aadvarkway. Create a program that will ask the user to enter a word and change it into Pig Latin. Make sure the new word is ...
A simple program which checks Python source files for errors. Pyflakes analyzes programs and detects various errors. It works by parsing the source file, not importing it, so it is safe to use on modules with side effects. It's also much faster. It is available on PyPI and it supports ...
As the program runs, you can see that we don’t get 5120 characters each time we call the recv() method. We get as many characters as have been transferred across the network to us by the web server at the moment we call recv(). In this example, we either get 1460 or 2920 charac...