





import os
import unittest

from transformers import LxmertTokenizer, LxmertTokenizerFast
from transformers.models.bert.tokenization_bert import VOCAB_FILES_NAMES
from transformers.testing_utils import require_tokenizers

from ...test_tokenization_common import TokenizerTesterMixin






@require_tokenizers
class 						UpperCamelCase_  (  snake_case__  ,     unittest.TestCase							):
					_a      :						Optional[Any]						    =					LxmertTokenizer
					_a      :						int						    =					LxmertTokenizerFast
					_a      :						Any						    =					True
					_a      :						Union[str, Any]						    =					True



					def   __a     (		self     :     Any						):
							super().setUp()

							lowerCamelCase_	:     Optional[int] 						=      [
							    '[UNK]',
							    '[CLS]',
							    '[SEP]',
							    'want',
							    '##want',
							    '##ed',
							    'wa',
							    'un',
							    'runn',
							    '##ing',
							    ',',
							    'low',
							    'lowest',
							]
							lowerCamelCase_	:     Dict 						=      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   __a     (		self     :     Union[str, Any]       ,      lowerCamelCase     :     List[Any]						):
							lowerCamelCase_	:     Dict 						=      'UNwant\u00E9d,running'
							lowerCamelCase_	:     List[Any] 						=      'unwanted, running'
							return input_text, output_text



					def   __a     (		self     :     Any						):
							lowerCamelCase_	:     Optional[Any] 						=      self.tokenizer_class(self.vocab_file						)

							lowerCamelCase_	:     Optional[int] 						=      tokenizer.tokenize('UNwant\u00E9d,running'						)
							self.assertListEqual(lowerCamelCase       ,      ['un', '##want', '##ed', ',', 'runn', '##ing']						)
							self.assertListEqual(tokenizer.convert_tokens_to_ids(lowerCamelCase						)       ,      [7, 4, 5, 10, 8, 9]						)





					def   __a     (		self     :     List[str]						):
							if not self.test_rust_tokenizer:
									return

							lowerCamelCase_	:     List[str] 						=      self.get_tokenizer()
							lowerCamelCase_	:     List[Any] 						=      self.get_rust_tokenizer()

							lowerCamelCase_	:     List[str] 						=      'I was born in 92000, and this is falsé.'

							lowerCamelCase_	:     List[Any] 						=      tokenizer.tokenize(lowerCamelCase						)
							lowerCamelCase_	:     Optional[Any] 						=      rust_tokenizer.tokenize(lowerCamelCase						)
							self.assertListEqual(lowerCamelCase       ,      lowerCamelCase						)

							lowerCamelCase_	:     Optional[int] 						=      tokenizer.encode(lowerCamelCase       ,      add_special_tokens=lowerCamelCase						)
							lowerCamelCase_	:     Union[str, Any] 						=      rust_tokenizer.encode(lowerCamelCase       ,      add_special_tokens=lowerCamelCase						)
							self.assertListEqual(lowerCamelCase       ,      lowerCamelCase						)

							lowerCamelCase_	:     int 						=      self.get_rust_tokenizer()
							lowerCamelCase_	:     Any 						=      tokenizer.encode(lowerCamelCase						)
							lowerCamelCase_	:     int 						=      rust_tokenizer.encode(lowerCamelCase						)
							self.assertListEqual(lowerCamelCase       ,      lowerCamelCase						)







def 		_SCREAMING_SNAKE_CASE     ( lowerCAmelCase__						):
		lowerCamelCase_	:     Union[str, Any] 						=      []
		lowerCamelCase_	:     Tuple 						=      []
		lowerCamelCase_	:     Dict 						=      {
		    '^': 3,
		    '*': 2,
		    '/': 2,
		    '%': 2,
		    '+': 1,
		    '-': 1,
		}  # Priority of each operator
		lowerCamelCase_	:     Optional[int] 						=      len(lowerCAmelCase__						) if (len(lowerCAmelCase__						) > 7) else 7

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

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

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

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

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


def 		_SCREAMING_SNAKE_CASE     ( lowerCAmelCase__						):
		lowerCamelCase_	:     Dict 						=      list(infix[::-1]						)  # reverse the infix equation

		for i in range(len(lowerCAmelCase__						)						):
				if infix[i] == "(":
						lowerCamelCase_	:     str 						=      ')'  # change "(" to ")"
				elif infix[i] == ")":
						lowerCamelCase_	:     Optional[Any] 						=      '('  # change ")" to "("

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


if __name__ == "__main__":
		_lowercase		:  int			       =input("""\nEnter an Infix Equation = """)  # Input an Infix equation
		_lowercase		:  Optional[Any]			       ="""""".join(Infix.split())  # Remove spaces from the input
		print("""\n\t""", Infix, """(Infix) -> """, infix_2_prefix(Infix), """(Prefix)""")
