'''simple docstring'''

from __future__ import annotations

import requests

__a:			Optional[Any]	       =       set(
    """approved_at_utc approved_by author_flair_background_color
author_flair_css_class author_flair_richtext author_flair_template_id author_fullname
author_premium can_mod_post category clicked content_categories created_utc downs
edited gilded gildings hidden hide_score is_created_from_ads_ui is_meta
is_original_content is_reddit_media_domain is_video link_flair_css_class
link_flair_richtext link_flair_text link_flair_text_color media_embed mod_reason_title
name permalink pwls quarantine saved score secure_media secure_media_embed selftext
subreddit subreddit_name_prefixed subreddit_type thumbnail title top_awarded_type
total_awards_received ups upvote_ratio url user_reports""".split()
)
def       __UpperCamelCase	(       UpperCAmelCase		,					UpperCAmelCase = 1		,					UpperCAmelCase = "new"		,					UpperCAmelCase = None					):
 lowercase__    :   List[Any]						= wanted_data or []
 if invalid_search_terms := ", ".join(sorted(set(UpperCAmelCase					) - valid_terms					)					):
  lowercase__    :   Union[str, Any]						= F"""Invalid search term: {invalid_search_terms}"""
  raise ValueError(UpperCAmelCase					)
 lowercase__    :   Any						= requests.get(
     F"""https://reddit.com/r/{subreddit}/{age}.json?limit={limit}"""		,					headers={'''User-agent''': '''A random string'''}		,					)
 if response.status_code == 429:
  raise requests.HTTPError

 lowercase__    :   Any						= response.json()
 if not wanted_data:
  return {id_: data["data"]["children"][id_] for id_ in range(UpperCAmelCase					)}

 lowercase__    :   Any						= {}
 for id_ in range(UpperCAmelCase					):
  lowercase__    :   Tuple						= {
      item: data['''data''']['''children'''][id_]['''data'''][item] for item in wanted_data
  }
 return data_dict


if __name__ == "__main__":
  # If you get Error 429, that means you are rate limited.Try after some time
  print(get_subreddit_data("""learnpython""", wanted_data=["""title""", """url""", """selftext"""]))





'''simple docstring'''

def       __UpperCamelCase	(       UpperCAmelCase					):
 if not all(x.isalpha() for x in string					):
  raise ValueError('''String must only contain alphabetic characters.'''					)

 lowercase__    :   Tuple						= sorted(string.lower()					)
 return len(UpperCAmelCase					) == len(set(UpperCAmelCase					)					)


if __name__ == "__main__":
  __a:			Union[str, Any]	       =       input("""Enter a string """).strip()

  __a:			Tuple	       =       is_isogram(input_str)
  print(F'{input_str} is {"an" if isogram else "not an"} isogram.')

