
def 							a		(				snake_case__:   Optional[int]   ):


				'''simple docstring'''
				lowercase_	    =   []
				lowercase_	    =   []
				lowercase_	    =   {
				    '''^''': 3,
				    '''*''': 2,
				    '''/''': 2,
				    '''%''': 2,
				    '''+''': 1,
				    '''-''': 1,
				}  # Priority of each operator
				lowercase_	    =   len(snake_case__   ) if (len(snake_case__   ) > 7) else 7

				# Print table header for output
				print(
				    '''Symbol'''.center(8   )		,  '''Stack'''.center(snake_case__   )		,  '''Postfix'''.center(snake_case__   )		,  sep=''' | '''		,  )
				print('''-''' * (print_width * 3 + 7)   )

				for x in infix:
								if x.isalpha() or x.isdigit():
												post_fix.append(snake_case__   )  # if x is Alphabet / Digit, add it to Postfix
								elif x == "(":
												stack.append(snake_case__   )  # if x is "(" push to Stack
								elif x == ")":  # if x is ")" pop stack until "(" is encountered
												while stack[-1] != "(":
																post_fix.append(stack.pop()   )  # Pop stack & add the content to Postfix
												stack.pop()
								else:
												if len(snake_case__   ) == 0:
																stack.append(snake_case__   )  # If stack is empty, push x to stack
												else:  # while priority of x is not > priority of element in the stack
																while len(snake_case__   ) > 0 and priority[x] <= priority[stack[-1]]:
																				post_fix.append(stack.pop()   )  # pop stack & add to Postfix
																stack.append(snake_case__   )  # push x to stack

								print(
								    x.center(8   )		,  (''''''.join(snake_case__   )).ljust(snake_case__   )		,  (''''''.join(snake_case__   )).ljust(snake_case__   )		,  sep=''' | '''		,  )  # Output in tabular format

				while len(snake_case__   ) > 0:  # while stack is not empty
								post_fix.append(stack.pop()   )  # pop stack & add to Postfix
								print(
								    ''' '''.center(8   )		,  (''''''.join(snake_case__   )).ljust(snake_case__   )		,  (''''''.join(snake_case__   )).ljust(snake_case__   )		,  sep=''' | '''		,  )  # Output in tabular format

				return "".join(snake_case__   )  # return Postfix as str




def 							a		(				snake_case__:   List[Any]   ):


				'''simple docstring'''
				lowercase_	    =   list(infix[::-1]   )  # reverse the infix equation

				for i in range(len(snake_case__   )   ):
								if infix[i] == "(":
												lowercase_	    =   ''')'''  # change "(" to ")"
								elif infix[i] == ")":
												lowercase_	    =   '''('''  # change ")" to "("

				return (infix_2_postfix(''''''.join(snake_case__   )   ))[
				    ::-1
				]  # call infix_2_postfix on Infix, return reverse of Postfix


if __name__ == "__main__":
						__a         =   input('\nEnter an Infix Equation = ')  # Input an Infix equation
						__a         =   ''.join(Infix.split())  # Remove spaces from the input
						print('\n\t', Infix, '(Infix) -> ', infix_2_prefix(Infix), '(Prefix)')










import os
import unittest

from transformers import BatchEncoding
from transformers.models.bert.tokenization_bert import (
    BasicTokenizer,
    WordpieceTokenizer,
    _is_control,
    _is_punctuation,
    _is_whitespace,
)
from transformers.models.prophetnet.tokenization_prophetnet import VOCAB_FILES_NAMES, ProphetNetTokenizer
from transformers.testing_utils import require_torch, slow

from ...test_tokenization_common import TokenizerTesterMixin


class    SCREAMING_SNAKE_CASE_				(       _UpperCamelCase	,  unittest.TestCase   ):



	"""simple docstring"""


	__magic_name__   :       str      	=		ProphetNetTokenizer
	__magic_name__   :       Dict      	=		False






	def 					lowerCamelCase__     (					self		:						Union[str, Any]	)	->       List[str]:







						"""simple docstring"""







						super().setUp()

						__UpperCamelCase					:	Optional[Any]             =      [
						    """[UNK]""",
						    """[CLS]""",
						    """[SEP]""",
						    """[PAD]""",
						    """[MASK]""",
						    """want""",
						    """##want""",
						    """##ed""",
						    """wa""",
						    """un""",
						    """runn""",
						    """##ing""",
						    """,""",
						    """low""",
						    """lowest""",
						]
						__UpperCamelCase					:	List[Any]             =      os.path.join(self.tmpdirname					,     VOCAB_FILES_NAMES["""vocab_file"""]	)
						with open(self.vocab_file					,     """w"""					,     encoding="""utf-8"""	) as vocab_writer:
											vocab_writer.write("""""".join([x + """\n""" for x in vocab_tokens]	)	)






	def 					lowerCamelCase__     (					self		:						Tuple					,     lowerCAmelCase		:						int	)	->       List[str]:







						"""simple docstring"""







						__UpperCamelCase					:	Union[str, Any]             =      """UNwant\u00E9d,running"""
						__UpperCamelCase					:	List[str]             =      """unwanted, running"""
						return input_text, output_text






	def 					lowerCamelCase__     (					self		:						List[Any]	)	->       int:







						"""simple docstring"""







						__UpperCamelCase					:	Optional[int]             =      self.tokenizer_class(self.vocab_file	)

						__UpperCamelCase					:	List[str]             =      tokenizer.tokenize("""UNwant\u00E9d,running"""	)
						self.assertListEqual(lowerCAmelCase					,     ["""un""", """##want""", """##ed""", """,""", """runn""", """##ing"""]	)
						self.assertListEqual(tokenizer.convert_tokens_to_ids(lowerCAmelCase	)					,     [9, 6, 7, 12, 10, 11]	)






	def 					lowerCamelCase__     (					self		:						str	)	->       List[Any]:







						"""simple docstring"""







						__UpperCamelCase					:	List[str]             =      BasicTokenizer()

						self.assertListEqual(tokenizer.tokenize("""ah\u535A\u63A8zz"""	)					,     ["""ah""", """\u535A""", """\u63A8""", """zz"""]	)






	def 					lowerCamelCase__     (					self		:						int	)	->       Tuple:







						"""simple docstring"""







						__UpperCamelCase					:	Any             =      BasicTokenizer(do_lower_case=lowerCAmelCase	)

						self.assertListEqual(
						    tokenizer.tokenize(""" \tHeLLo!how  \n Are yoU?  """	)					,     ["""hello""", """!""", """how""", """are""", """you""", """?"""]	)
						self.assertListEqual(tokenizer.tokenize("""H\u00E9llo"""	)					,     ["""hello"""]	)






	def 					lowerCamelCase__     (					self		:						Dict	)	->       List[str]:







						"""simple docstring"""







						__UpperCamelCase					:	List[Any]             =      BasicTokenizer(do_lower_case=lowerCAmelCase					,     strip_accents=lowerCAmelCase	)

						self.assertListEqual(
						    tokenizer.tokenize(""" \tHäLLo!how  \n Are yoU?  """	)					,     ["""hällo""", """!""", """how""", """are""", """you""", """?"""]	)
						self.assertListEqual(tokenizer.tokenize("""H\u00E9llo"""	)					,     ["""h\u00E9llo"""]	)






	def 					lowerCamelCase__     (					self		:						Any	)	->       List[Any]:







						"""simple docstring"""







						__UpperCamelCase					:	Tuple             =      BasicTokenizer(do_lower_case=lowerCAmelCase					,     strip_accents=lowerCAmelCase	)

						self.assertListEqual(
						    tokenizer.tokenize(""" \tHäLLo!how  \n Are yoU?  """	)					,     ["""hallo""", """!""", """how""", """are""", """you""", """?"""]	)
						self.assertListEqual(tokenizer.tokenize("""H\u00E9llo"""	)					,     ["""hello"""]	)






	def 					lowerCamelCase__     (					self		:						List[str]	)	->       Optional[int]:







						"""simple docstring"""







						__UpperCamelCase					:	Dict             =      BasicTokenizer(do_lower_case=lowerCAmelCase	)

						self.assertListEqual(
						    tokenizer.tokenize(""" \tHäLLo!how  \n Are yoU?  """	)					,     ["""hallo""", """!""", """how""", """are""", """you""", """?"""]	)
						self.assertListEqual(tokenizer.tokenize("""H\u00E9llo"""	)					,     ["""hello"""]	)






	def 					lowerCamelCase__     (					self		:						List[Any]	)	->       Tuple:







						"""simple docstring"""







						__UpperCamelCase					:	List[str]             =      BasicTokenizer(do_lower_case=lowerCAmelCase	)

						self.assertListEqual(
						    tokenizer.tokenize(""" \tHeLLo!how  \n Are yoU?  """	)					,     ["""HeLLo""", """!""", """how""", """Are""", """yoU""", """?"""]	)






	def 					lowerCamelCase__     (					self		:						List[Any]	)	->       Tuple:







						"""simple docstring"""







						__UpperCamelCase					:	Tuple             =      BasicTokenizer(do_lower_case=lowerCAmelCase					,     strip_accents=lowerCAmelCase	)

						self.assertListEqual(
						    tokenizer.tokenize(""" \tHäLLo!how  \n Are yoU?  """	)					,     ["""HäLLo""", """!""", """how""", """Are""", """yoU""", """?"""]	)






	def 					lowerCamelCase__     (					self		:						Optional[int]	)	->       List[Any]:







						"""simple docstring"""







						__UpperCamelCase					:	List[Any]             =      BasicTokenizer(do_lower_case=lowerCAmelCase					,     strip_accents=lowerCAmelCase	)

						self.assertListEqual(
						    tokenizer.tokenize(""" \tHäLLo!how  \n Are yoU?  """	)					,     ["""HaLLo""", """!""", """how""", """Are""", """yoU""", """?"""]	)






	def 					lowerCamelCase__     (					self		:						Optional[Any]	)	->       str:







						"""simple docstring"""







						__UpperCamelCase					:	int             =      BasicTokenizer(do_lower_case=lowerCAmelCase					,     never_split=["""[UNK]"""]	)

						self.assertListEqual(
						    tokenizer.tokenize(""" \tHeLLo!how  \n Are yoU? [UNK]"""	)					,     ["""HeLLo""", """!""", """how""", """Are""", """yoU""", """?""", """[UNK]"""]	)






	def 					lowerCamelCase__     (					self		:						Union[str, Any]	)	->       Optional[Any]:







						"""simple docstring"""







						__UpperCamelCase					:	int             =      ["""[UNK]""", """[CLS]""", """[SEP]""", """want""", """##want""", """##ed""", """wa""", """un""", """runn""", """##ing"""]

						__UpperCamelCase					:	List[Any]             =      {}
						for i, token in enumerate(lowerCAmelCase	):
											__UpperCamelCase					:	Dict             =      i
						__UpperCamelCase					:	Any             =      WordpieceTokenizer(vocab=lowerCAmelCase					,     unk_token="""[UNK]"""	)

						self.assertListEqual(tokenizer.tokenize(""""""	)					,     []	)

						self.assertListEqual(tokenizer.tokenize("""unwanted running"""	)					,     ["""un""", """##want""", """##ed""", """runn""", """##ing"""]	)

						self.assertListEqual(tokenizer.tokenize("""unwantedX running"""	)					,     ["""[UNK]""", """runn""", """##ing"""]	)






	@require_torch
	def 					lowerCamelCase__     (					self		:						Optional[Any]	)	->       Dict:







						"""simple docstring"""







						__UpperCamelCase					:	str             =      self.tokenizer_class.from_pretrained("""microsoft/prophetnet-large-uncased"""	)

						__UpperCamelCase					:	int             =      ["""A long paragraph for summarization.""", """Another paragraph for summarization."""]
						__UpperCamelCase					:	Optional[int]             =      [1037, 2146, 20423, 2005, 7680, 7849, 3989, 1012, 102]
						__UpperCamelCase					:	Optional[int]             =      tokenizer(lowerCAmelCase					,     padding=lowerCAmelCase					,     return_tensors="""pt"""	)
						self.assertIsInstance(lowerCAmelCase					,     lowerCAmelCase	)
						__UpperCamelCase					:	int             =      list(batch.input_ids.numpy()[0]	)
						self.assertListEqual(lowerCAmelCase					,     lowerCAmelCase	)

						self.assertEqual((2, 9)					,     batch.input_ids.shape	)
						self.assertEqual((2, 9)					,     batch.attention_mask.shape	)






	def 					lowerCamelCase__     (					self		:						int	)	->       List[Any]:







						"""simple docstring"""







						self.assertTrue(_is_whitespace(""" """	)	)
						self.assertTrue(_is_whitespace("""\t"""	)	)
						self.assertTrue(_is_whitespace("""\r"""	)	)
						self.assertTrue(_is_whitespace("""\n"""	)	)
						self.assertTrue(_is_whitespace("""\u00A0"""	)	)

						self.assertFalse(_is_whitespace("""A"""	)	)
						self.assertFalse(_is_whitespace("""-"""	)	)






	def 					lowerCamelCase__     (					self		:						Dict	)	->       Optional[int]:







						"""simple docstring"""







						self.assertTrue(_is_control("""\u0005"""	)	)

						self.assertFalse(_is_control("""A"""	)	)
						self.assertFalse(_is_control(""" """	)	)
						self.assertFalse(_is_control("""\t"""	)	)
						self.assertFalse(_is_control("""\r"""	)	)






	def 					lowerCamelCase__     (					self		:						Tuple	)	->       Optional[Any]:







						"""simple docstring"""







						self.assertTrue(_is_punctuation("""-"""	)	)
						self.assertTrue(_is_punctuation("""$"""	)	)
						self.assertTrue(_is_punctuation("""`"""	)	)
						self.assertTrue(_is_punctuation("""."""	)	)

						self.assertFalse(_is_punctuation("""A"""	)	)
						self.assertFalse(_is_punctuation(""" """	)	)






	@slow
	def 					lowerCamelCase__     (					self		:						str	)	->       Tuple:







						"""simple docstring"""







						__UpperCamelCase					:	List[str]             =      self.tokenizer_class.from_pretrained("""microsoft/prophetnet-large-uncased"""	)

						__UpperCamelCase					:	Optional[int]             =      tokenizer.encode("""sequence builders"""					,     add_special_tokens=lowerCAmelCase	)
						__UpperCamelCase					:	List[Any]             =      tokenizer.encode("""multi-sequence build"""					,     add_special_tokens=lowerCAmelCase	)

						__UpperCamelCase					:	Optional[Any]             =      tokenizer.build_inputs_with_special_tokens(lowerCAmelCase	)
						__UpperCamelCase					:	Union[str, Any]             =      tokenizer.build_inputs_with_special_tokens(lowerCAmelCase					,     lowerCAmelCase	)

						assert encoded_sentence == text + [102]
						assert encoded_pair == text + [102] + text_a + [102]






