re.search（r'^py','puppy\npython',re.M)返回的是一个Match对象。

import re reg=r"^ab" m=re.search(reg,"cabcab") print(m) 结果： None

Don't ____every new word in the dictionary while you're reading a book. A, Look for B, look up C, look after

Read the statement below and decide whether it is true or false. Andrew Keen uses “the law of digital Darwinism” to describe the phenomenon that people who do not scruple to make radical remarks have an advantage on the Internet in this new era of Web 2.0.

“For most students, it's a stellar transcript that opens doors into great jobs or great graduate schools.” In this sentence, the “stellar transcript” means: ( )

You're telling me you're so confused You can't (3)__________________ Is this meant to be You're asking me

已知m是一个Match对象，则m.start(0)返回的是第1个分组的匹配结果字符串在原字符串中的开始位置。

re.findall函数的返回结果必然是（ ）。

re.subn函数返回的结果是（ ）。