


def __snake_case (				UpperCAmelCase_						:						str ,    UpperCAmelCase_						:						int = 13		):
 lowerCamelCase_								=  ""
 for c in s:
  if "A" <= c <= "Z":
   out += chr(ord("A"		) + (ord(UpperCAmelCase_		) - ord("A"		) + n) % 26		)
  elif "a" <= c <= "z":
   out += chr(ord("a"		) + (ord(UpperCAmelCase_		) - ord("a"		) + n) % 26		)
  else:
   out += c
 return out





def __snake_case (				):
 lowerCamelCase_								=  input("Enter message: "		)

 lowerCamelCase_								=  dencrypt(UpperCAmelCase_ ,    13		)
 print("Encryption:" ,    UpperCAmelCase_		)

 lowerCamelCase_								=  dencrypt(UpperCAmelCase_ ,    13		)
 print("Decryption: " ,    UpperCAmelCase_		)


if __name__ == "__main__":
     import doctest

     doctest.testmod()
     main()







'''simple docstring'''

def __snake_case (				UpperCAmelCase_						:						float		):
 return -num if num < 0 else num





def __snake_case (				UpperCAmelCase_						:						list[int]		):
 if len(UpperCAmelCase_		) == 0:
  raise ValueError("abs_min() arg is an empty sequence"		)
 lowerCamelCase_								=  x[0]
 for i in x:
  if abs_val(UpperCAmelCase_		) < abs_val(UpperCAmelCase_		):
   lowerCamelCase_								=  i
 return j





def __snake_case (				UpperCAmelCase_						:						list[int]		):
 if len(UpperCAmelCase_		) == 0:
  raise ValueError("abs_max() arg is an empty sequence"		)
 lowerCamelCase_								=  x[0]
 for i in x:
  if abs(UpperCAmelCase_		) > abs(UpperCAmelCase_		):
   lowerCamelCase_								=  i
 return j





def __snake_case (				UpperCAmelCase_						:						list[int]		):
 if len(UpperCAmelCase_		) == 0:
  raise ValueError("abs_max_sort() arg is an empty sequence"		)
 return sorted(UpperCAmelCase_ ,    key=UpperCAmelCase_		)[-1]





def __snake_case (				):
 assert abs_val(0		) == 0
 assert abs_val(34		) == 34
 assert abs_val(-100000000000		) == 100000000000

 lowerCamelCase_								=  [-3, -1, 2, -11]
 assert abs_max(UpperCAmelCase_		) == -11
 assert abs_max_sort(UpperCAmelCase_		) == -11
 assert abs_min(UpperCAmelCase_		) == -1


if __name__ == "__main__":
     import doctest

     doctest.testmod()

     test_abs_val()
     print(abs_val(-34))  # --> 34



