





snake_case_     =	"""ABCDEFGHIJKLMNOPQRSTUVWXYZ"""
def 							_lowerCamelCase(  )		->  None:
    A       :       int							=						input('''Enter message: '''		)
    A       :       Any							=						input('''Enter key [alphanumeric]: '''		)
    A       :       List[str]							=						input('''Encrypt/Decrypt [e/d]: '''		)

    if mode.lower().startswith('''e'''		):
        A       :       int							=						'''encrypt'''
        A       :       Tuple							=						encrypt_message(UpperCamelCase__    ,       UpperCamelCase__		)
    elif mode.lower().startswith('''d'''		):
        A       :       List[Any]							=						'''decrypt'''
        A       :       List[Any]							=						decrypt_message(UpperCamelCase__    ,       UpperCamelCase__		)

    print(F'''\n{mode.title()}ed message:'''		)
    print(UpperCamelCase__		)
def 							_lowerCamelCase(  UpperCamelCase__    : str    ,       UpperCamelCase__    : str		)		->  str:
    return translate_message(UpperCamelCase__    ,       UpperCamelCase__    ,       '''encrypt'''		)
def 							_lowerCamelCase(  UpperCamelCase__    : str    ,       UpperCamelCase__    : str		)		->  str:
    return translate_message(UpperCamelCase__    ,       UpperCamelCase__    ,       '''decrypt'''		)
def 							_lowerCamelCase(  UpperCamelCase__    : str    ,       UpperCamelCase__    : str    ,       UpperCamelCase__    : str		)		->  str:
    A       :       Dict							=						[]
    A       :       List[str]							=						0
    A       :       Optional[int]							=						key.upper()

    for symbol in message:
        A       :       Optional[Any]							=						LETTERS.find(symbol.upper()		)
        if num != -1:
            if mode == "encrypt":
                num += LETTERS.find(key[key_index]		)
            elif mode == "decrypt":
                num -= LETTERS.find(key[key_index]		)

            num %= len(UpperCamelCase__		)

            if symbol.isupper():
                translated.append(LETTERS[num]		)
            elif symbol.islower():
                translated.append(LETTERS[num].lower()		)

            key_index += 1
            if key_index == len(UpperCamelCase__		):
                A       :       Dict							=						0
        else:
            translated.append(UpperCamelCase__		)
    return "".join(UpperCamelCase__		)


if __name__ == "__main__":
     main()







'''simple docstring'''






import requests

snake_case_     =	"""https://newsapi.org/v1/articles?source=bbc-news&sortBy=top&apiKey="""
def 							_lowerCamelCase(  UpperCamelCase__    : str		)		->  None:
    # fetching a list of articles in json format
    A       :       Any							=						requests.get(_NEWS_API + bbc_news_api_key		).json()
    # each article in the list is a dict
    for i, article in enumerate(bbc_news_page['''articles''']    ,       1		):
        print(F'''{i}.) {article['title']}'''		)


if __name__ == "__main__":
     fetch_bbc_news(bbc_news_api_key="""<Your BBC News API key goes here>""")
