'''simple docstring'''

def __UpperCamelCase(   _A					:				int    ):
   '''simple docstring'''
   return str(_A    ) == str(_A    )[::-1]







def __UpperCamelCase(   _A					:				int    ):
   '''simple docstring'''
   return int(_A    ) + int(str(_A    )[::-1]    )







def __UpperCamelCase(   _A					:				int = 1_00_00    ):
   '''simple docstring'''
   UpperCAmelCase__							:				Optional[int]   				=  []
   for num in range(1  ,			_A    ):
      UpperCAmelCase__							:				Any   				=  0
      UpperCAmelCase__							:				int   				=  num
      while iterations < 50:
         UpperCAmelCase__							:				Dict   				=  sum_reverse(_A    )
         iterations += 1
         if is_palindrome(_A    ):
            break
      else:
         lychrel_nums.append(_A    )
   return len(_A    )


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





'''simple docstring'''

from __future__ import annotations

from collections import namedtuple







def __UpperCamelCase(   _A					:				float  ,			_A					:				float  ,			_A					:				float    ):
   '''simple docstring'''
   UpperCAmelCase__							:				int   				=  namedtuple('''result'''  ,			'''name value'''    )
   if (voltage, current, power).count(0    ) != 1:
      raise ValueError('''Only one argument must be 0'''    )
   elif power < 0:
      raise ValueError(
          '''Power cannot be negative in any electrical/electronics system'''    )
   elif voltage == 0:
      return result('''voltage'''  ,			power / current    )
   elif current == 0:
      return result('''current'''  ,			power / voltage    )
   elif power == 0:
      return result('''power'''  ,			float(round(abs(voltage * current    )  ,			2    )    )    )
   else:
      raise ValueError('''Exactly one argument must be 0'''    )


if __name__ == "__main__":
  import doctest

  doctest.testmod()




