code: 
  
  
  
  
  
  '''simple docstring'''
  
  
  
  
  
  from datetime import date
  
  import requests
  
  UpperCAmelCase			:			List[str]	  = """https://api.carbonintensity.org.uk/intensity"""
  def   _A (	):
  
  
  
  
  
    """simple docstring"""
  
  
  
    a__			:      List[str]            =requests.get(SCREAMING_SNAKE_CASE		).json()["data"][0]
    return last_half_hour["intensity"]["actual"]
  def   _A (	SCREAMING_SNAKE_CASE  :     Any , SCREAMING_SNAKE_CASE  :     Dict		):
  
  
  
  
  
    """simple docstring"""
  
  
  
    return requests.get(f'''{BASE_URL}/{start}/{end}'''		).json()["data"]
  
  
  if __name__ == "__main__":
       for entry in fetch_from_to(start=date(2020, 10, 1), end=date(2020, 10, 3)):
            print("""from {from} to {to}: {intensity[actual]}""".format(**entry))
       print(F"""{fetch_last_half_hour() = }""")
  
  
  
  
  
  
  
style_context: 
  
  
  
  
  
  def   _A (	SCREAMING_SNAKE_CASE  :     int		):
  
  
  
  
  
    """simple docstring"""
  
  
  
    if not isinstance(SCREAMING_SNAKE_CASE , SCREAMING_SNAKE_CASE		) or number < 0:
      raise ValueError("Input must be a non-negative integer"		)
  
    a__			:      List[str]            =number & ~(number - 1)
    a__			:      Optional[int]            =0
    while intermediate:
      intermediate >>= 1
      index += 1
    return index - 1
  
  
  if __name__ == "__main__":
       import doctest
  
       doctest.testmod(verbose=True)
  
  
  
  
  
  
  