summarize_input(text) that takes a block of text text (possibly containing multiple lines separated by \n) and returns a dict with keys "lines", "words", and "characters" giving the counts of lines, words (whitespace-separated tokens across the whole text), and characters (including newlines), respectively.summarize_input("hello world\nbye"){'lines': 2, 'words': 3, 'characters': 15}2 lines, 3 words total, 15 characters including the newline.
`text.split("\n")` gives lines; `text.split()` (no args) gives words across all whitespace.
`len(text)` gives the character count directly.