





def      lowerCamelCase_						(				_UpperCamelCase )		->						List[str]:






				"""simple docstring"""


				snake_case_						:    List[Any]				=  set()
				# To detect a back edge, keep track of vertices currently in the recursion stack
				snake_case_						:    Union[str, Any]				=  set()
				return any(
				    node not in visited and depth_first_search(_UpperCamelCase ,				_UpperCamelCase ,				_UpperCamelCase ,				_UpperCamelCase )
				    for node in graph )






def      lowerCamelCase_						(				_UpperCamelCase ,				_UpperCamelCase ,				_UpperCamelCase ,				_UpperCamelCase )		->						Any:






				"""simple docstring"""


				visited.add(_UpperCamelCase )
				rec_stk.add(_UpperCamelCase )

				for node in graph[vertex]:
								if node not in visited:
												if depth_first_search(_UpperCamelCase ,				_UpperCamelCase ,				_UpperCamelCase ,				_UpperCamelCase ):
																return True
								elif node in rec_stk:
												return True

    # The node needs to be removed from recursion stack before function ends
				rec_stk.remove(_UpperCamelCase )
				return False


if __name__ == "__main__":
	from doctest import testmod

	testmod()






from datetime import datetime

import requests
from bsa import BeautifulSoup

if __name__ == "__main__":
 lowerCamelCase				:		int     =   input("Enter image url: ").strip()
 print(F"""Downloading image from {url} ...""")
 lowerCamelCase				:		Tuple     =   BeautifulSoup(requests.get(url).content, "html.parser")
 # The image URL is in the content field of the first meta tag with property og:image
 lowerCamelCase				:		int     =   soup.find("meta", {"property": "og:image"})["content"]
 lowerCamelCase				:		Dict     =   requests.get(image_url).content
 lowerCamelCase				:		Optional[int]     =   F"""{datetime.now():%Y-%m-%d_%H:%M:%S}.jpg"""
 with open(file_name, "wb") as fp:
  fp.write(image_data)
 print(F"""Done. Image saved to disk as {file_name}.""")



