每隔1秒去查看对应的元素是否可见;如果可见,继续下一步操作;如果不可见,则继续等待,直到10s结束,如果元素还是不可见,则抛出超时异常WebDriverWait(driver,10,1).until(EC.visibility_of_element_located((By.ID,ele_locator)))driver.find_element_by_id('TANGRAM__PSP
import cfgimport sysimport randomimport pygamefrom modules import * '''main'''def main(highest_score): # 游戏初始化 pygame.init() screen = pygame.display.set_mode(cfg.SCREENSIZE) pygame.display.set_caption('九歌') # 导入所有声音文件 sounds = {} for key, value in cfg.AUDIO_PATHS.items(...
Strings can beconcatenatedto build longer strings using the plus sign and also they can bemultipliedby a number, which results in the continuous repetition of the string as many times as the number indicates. Also, if we want to find out thelengthof the string, we simply have to use thelen...
Oops, your decorator ate the return value from the function.Because the do_twice_wrapper() doesn’t explicitly return a value, the call return_greeting("Adam") ends up returning None.To fix this, you need to make sure the wrapper function returns the return value of the decorated function...
blockchain_client.py文件代码中一些重要部分的说明： 我们定义了一个Python类，我们命名了4个属性字段：sender_address，sender_private_key，recipient_address，value。这是发送方创建交易所需的4个信息。to_dict()方法返回一个Python字典格式交易信息（没有发件人的私钥）。sign_transaction()方法接收交易信息（没有...
本地意味着它们将在给定的目录中可用。这是通过在这个目录中放置一个文件python-version.txt来完成的。这对版本控制的存储库很重要,但是有一些不同的策略来管理它们。一种是将该文件添加到“忽略”列表中。这对开源项目的异质团队很有用。另一种方法是签入这个文件,以便在这个存储库中使用相同版本的 Python。
框的value res = tkinter.StringVar() # 定义一个函数 来打印单选框的value值 def func(): print(res.get()) # 创建单选框 radio1 = tkinter.Radiobutton( win, text = "张三", value = 1, variable = res, command = func ) radio2 = tkinter.Radiobutton( win, text = "李四", value = 2,...
signatureValue: Dss-Sig-Value ::= SEQUENCE { -- sha1DSA签名算法时,签名值 r INTEGER, s INTEGER } Name ::= CHOICE { RDNSequence } RDNSequence ::= SEQUENCE OF RelativeDistinguishedName RelativeDistinguishedName ::= SET OF AttributeTypeAndValue ...
Key Value Length : 72 vowels : 21 consonants: 33 stopwords : 5 punctuations: 6 special_char: 6 tokens(whitespace): 11 tokens(words): 13 使用describe 函数,可以显示每个文本统计信息。进一步清理数据,可以使用以下代码。 docx.normalize() 20、Combo ...
importsysdefbar(i):ifi ==1:raiseKeyError(1)ifi ==2:raiseValueError(2)defgood(): exception =Nonetry: bar(int(sys.argv[1]))exceptKeyErrorase: exception = eprint('key error')exceptValueErrorase: exception = eprint('value error')print(exception) good() ...