code: 
  
  
  
  '''simple docstring'''
  
  
  
  def _lowercase   (  __A       ):
  
  
  
  	'''simple docstring'''
  
  
  
  	__UpperCamelCase				      =  [True for i in range(n + 1       )]
  	__UpperCamelCase				      =  [i - 1 for i in range(n + 1       )]
  	__UpperCamelCase				      =  []
  	for i in range(2							,n + 1       ):
  		if is_prime[i]:
  			primes.append(__A       )
  		for j in range(0							,len(__A       )       ):
  			if i * primes[j] >= n:
  				break
  			__UpperCamelCase				      =  False
  
  			if i % primes[j] == 0:
  				__UpperCamelCase				      =  totients[i] * primes[j]
  				break
  
  			__UpperCamelCase				      =  totients[i] * (primes[j] - 1)
  
  	return totients
  
  
  if __name__ == "__main__":
  	import doctest
  
  	doctest.testmod()
  
  
  
  
  
  
style_context: 
  
  
  
  '''simple docstring'''
  
  
  
  from .stack import Stack
  
  
  
  
  
  
  
  def _lowercase   (  __A       ):
  
  
  
   '''simple docstring'''
  
  
  
   __UpperCamelCase				      =  Stack()
   __UpperCamelCase				      =  {"""(""": """)""", """[""": """]""", """{""": """}"""}
   for bracket in parentheses:
    if bracket in bracket_pairs:
     stack.push(__A       )
    elif bracket in (")", "]", "}"):
     if stack.is_empty() or bracket_pairs[stack.pop()] != bracket:
      return False
   return stack.is_empty()
  
  
  if __name__ == "__main__":
   from doctest import testmod
  
   testmod()
  
   a__						:			List[Any]										=			['((()))', '((())', '(()))']
   print('Balanced parentheses demonstration:\n')
   for example in examples:
    a__						:			int										=			'' if balanced_parentheses(example) else 'not '
    print(f'''{example} is {not_str}balanced''')
  
  
  
  
  
  