import math






def  snake_case  (       snake_case__			:int)						->   bool:
       _A        =  math.loga(math.sqrt(4 * positive_integer + 1) / 2 + 1 / 2)

       return exponent == int(snake_case__)






def  snake_case  (       snake_case__			:float = 1 / 12_345)						->   int:
       _A        =  0
       _A        =  0

       _A        =  3
       while True:
              _A        =  (integer**2 - 1) / 4
              # if candidate is an integer, then there is a partition for k
              if partition_candidate == int(snake_case__):
                     _A        =  int(snake_case__)
                     total_partitions += 1
                     if check_partition_perfect(snake_case__):
                            perfect_partitions += 1
              if perfect_partitions > 0:
                     if perfect_partitions / total_partitions < max_proportion:
                            return int(snake_case__)
              integer += 1


if __name__ == "__main__":
    print(F'''{solution() = }''')





def  snake_case  (       snake_case__			:str = "The quick brown fox jumps over the lazy dog"   ,	)						->   bool:
       _A        =  set()

       # Replace all the whitespace in our sentence
       _A        =  input_str.replace(""" """   ,	"""""")
       for alpha in input_str:
              if "a" <= alpha.lower() <= "z":
                     frequency.add(alpha.lower())
       return len(snake_case__) == 26






def  snake_case  (       snake_case__			:str = "The quick brown fox jumps over the lazy dog"   ,	)						->   bool:
       _A        =  [False] * 26
       for char in input_str:
              if char.islower():
                     _A        =  True
              elif char.isupper():
                     _A        =  True
       return all(snake_case__)






def  snake_case  (       snake_case__			:str = "The quick brown fox jumps over the lazy dog"   ,	)						->   bool:
       return len({char for char in input_str.lower() if char.isalpha()}) == 26






def  snake_case  (       )						->   None:
       from timeit import timeit

       _A        =  """from __main__ import is_pangram, is_pangram_faster, is_pangram_fastest"""
       print(timeit("""is_pangram()"""   ,	setup=snake_case__))
       print(timeit("""is_pangram_faster()"""   ,	setup=snake_case__))
       print(timeit("""is_pangram_fastest()"""   ,	setup=snake_case__))
       # 5.348480500048026, 2.6477354579837993, 1.8470395830227062
       # 5.036091582966037, 2.644472333951853,  1.8869528750656173


if __name__ == "__main__":
    import doctest

    doctest.testmod()
    benchmark()




