k=15): denom = k+1 norm = sum([2*(1/i - 1.0/(denom)) for i in range(1, denom)]) #use to tokenize the URLs ws_tok = sm.WhitespaceTokenizer() #keep only first k URLs serps_1 = ws_tok.tokenize(serps ...

A bobcat was documented killing and eating a 13-foot Burmese python in the Florida Everglades. Alligators, native snakes, and birds of prey are also known to prey on pythons. Burmese pythons are ...

Create Python programs using different data types, lists and dictionaries. Introduction to computer and computing: evolution of computing devices, components of a computer system and their ...

The singular mix of elements that made the Gulf of Maine a fertile oasis is the reason it is now warming faster than almost anywhere else ... prey from a larger range of silver fish such as ...

Here's everything we know about the OnePlus 13, including its launch date, camera, display, chipset, price range, and more. Also read: WWDC 2025: Apple may focus on software design over AI for ...

Drew Harwell is a technology reporter for The Washington Post. His work was honored by the Gerald Loeb Awards in 2024 and the George Polk Awards in 2021. He joined The Post in 2014. You can ...