以下程序执行后的结果是：spam=4 ifspam5: spam+=1 print(spam)
以下程序执行后的结果是：spam=4 ifspam5: spam+=1 print(spam)
What is spam? Spam is _____ email.
What is spam? Spam is _____ email.
执行以下代码的结果是：spam = 'hello' spam + 'world' print(spam)
执行以下代码的结果是：spam = 'hello' spam + 'world' print(spam)
有以下代码L = ('spam', 'Spam', 'SPAM!')下面那项是不正确的 A: L[2] 'SPAM!' 读取第三个元素 B: L[-2] 'Spam' 反向读取,读取倒数第二个元素 C: L[1:] ('Spam', 'SPAM!') 截取后2个元素 D: L[0:1] ('Spam', ') 截取中间的第2个元素
有以下代码L = ('spam', 'Spam', 'SPAM!')下面那项是不正确的 A: L[2] 'SPAM!' 读取第三个元素 B: L[-2] 'Spam' 反向读取,读取倒数第二个元素 C: L[1:] ('Spam', 'SPAM!') 截取后2个元素 D: L[0:1] ('Spam', ') 截取中间的第2个元素
A more effective approach to controlling spam ha been the development and use of spam blockers, also known as ________. A: spam B: spam filters C: antivirus D: e-mail system
A more effective approach to controlling spam ha been the development and use of spam blockers, also known as ________. A: spam B: spam filters C: antivirus D: e-mail system
spam
spam
spam='he ll o world 'he='or'he in spam 输出True
spam='he ll o world 'he='or'he in spam 输出True
以下程序执行后的结果是：spam=40 spam=spam+2 print(spam) A: 42 B: 40 C: error D: 2
以下程序执行后的结果是：spam=40 spam=spam+2 print(spam) A: 42 B: 40 C: error D: 2
What is spam?
What is spam?
以下程序执行后的结果是：spam=[1,2,3,4] spam.append(5) spam
以下程序执行后的结果是：spam=[1,2,3,4] spam.append(5) spam