





"""simple docstring"""






import unittest

from transformers.testing_utils import CaptureStdout
from transformers.tools.python_interpreter import evaluate

def       __A (     a_  :Dict)						->						Any:
				return x + 2






class 			__lowercase     (     unittest.TestCase							):







					'''simple docstring'''




					def 	_lowerCamelCase						(  self       ):
									__a	:  Optional[int]         =					'''x = 3'''
									__a	:  Dict         =					{}
									__a	:  Optional[Any]         =					evaluate(_UpperCAmelCase		,     {}		,     state=_UpperCAmelCase       )
									assert result == 3
									self.assertDictEqual(_UpperCAmelCase		,     {'''x''': 3}       )

									__a	:  Any         =					'''x = y'''
									__a	:  str         =					{'''y''': 5}
									__a	:  List[str]         =					evaluate(_UpperCAmelCase		,     {}		,     state=_UpperCAmelCase       )
									# evaluate returns the value of the last assignment.
									assert result == 5
									self.assertDictEqual(_UpperCAmelCase		,     {'''x''': 5, '''y''': 5}       )







					def 	_lowerCamelCase						(  self       ):
									__a	:  Optional[Any]         =					'''y = add_two(x)'''
									__a	:  Optional[Any]         =					{'''x''': 3}
									__a	:  Optional[Any]         =					evaluate(_UpperCAmelCase		,     {'''add_two''': add_two}		,     state=_UpperCAmelCase       )
									assert result == 5
									self.assertDictEqual(_UpperCAmelCase		,     {'''x''': 3, '''y''': 5}       )

									# Won't work without the tool
									with CaptureStdout() as out:
													__a	:  Dict         =					evaluate(_UpperCAmelCase		,     {}		,     state=_UpperCAmelCase       )
									assert result is None
									assert "tried to execute add_two" in out.out







					def 	_lowerCamelCase						(  self       ):
									__a	:  str         =					'''x = 3'''
									__a	:  Any         =					{}
									__a	:  str         =					evaluate(_UpperCAmelCase		,     {}		,     state=_UpperCAmelCase       )
									assert result == 3
									self.assertDictEqual(_UpperCAmelCase		,     {'''x''': 3}       )







					def 	_lowerCamelCase						(  self       ):
									__a	:  Optional[Any]         =					'''test_dict = {\'x\': x, \'y\': add_two(x)}'''
									__a	:  Optional[int]         =					{'''x''': 3}
									__a	:  List[str]         =					evaluate(_UpperCAmelCase		,     {'''add_two''': add_two}		,     state=_UpperCAmelCase       )
									self.assertDictEqual(_UpperCAmelCase		,     {'''x''': 3, '''y''': 5}       )
									self.assertDictEqual(_UpperCAmelCase		,     {'''x''': 3, '''test_dict''': {'''x''': 3, '''y''': 5}}       )







					def 	_lowerCamelCase						(  self       ):
									__a	:  List[str]         =					'''x = 3\ny = 5'''
									__a	:  Union[str, Any]         =					{}
									__a	:  Dict         =					evaluate(_UpperCAmelCase		,     {}		,     state=_UpperCAmelCase       )
									# evaluate returns the value of the last assignment.
									assert result == 5
									self.assertDictEqual(_UpperCAmelCase		,     {'''x''': 3, '''y''': 5}       )







					def 	_lowerCamelCase						(  self       ):
									__a	:  Any         =					'''text = f\'This is x: {x}.\''''
									__a	:  str         =					{'''x''': 3}
									__a	:  int         =					evaluate(_UpperCAmelCase		,     {}		,     state=_UpperCAmelCase       )
									# evaluate returns the value of the last assignment.
									assert result == "This is x: 3."
									self.assertDictEqual(_UpperCAmelCase		,     {'''x''': 3, '''text''': '''This is x: 3.'''}       )







					def 	_lowerCamelCase						(  self       ):
									__a	:  Any         =					'''if x <= 3:\n    y = 2\nelse:\n    y = 5'''
									__a	:  str         =					{'''x''': 3}
									__a	:  Optional[int]         =					evaluate(_UpperCAmelCase		,     {}		,     state=_UpperCAmelCase       )
									# evaluate returns the value of the last assignment.
									assert result == 2
									self.assertDictEqual(_UpperCAmelCase		,     {'''x''': 3, '''y''': 2}       )

									__a	:  int         =					{'''x''': 8}
									__a	:  Any         =					evaluate(_UpperCAmelCase		,     {}		,     state=_UpperCAmelCase       )
									# evaluate returns the value of the last assignment.
									assert result == 5
									self.assertDictEqual(_UpperCAmelCase		,     {'''x''': 8, '''y''': 5}       )







					def 	_lowerCamelCase						(  self       ):
									__a	:  List[Any]         =					'''test_list = [x, add_two(x)]'''
									__a	:  List[str]         =					{'''x''': 3}
									__a	:  int         =					evaluate(_UpperCAmelCase		,     {'''add_two''': add_two}		,     state=_UpperCAmelCase       )
									self.assertListEqual(_UpperCAmelCase		,     [3, 5]       )
									self.assertDictEqual(_UpperCAmelCase		,     {'''x''': 3, '''test_list''': [3, 5]}       )







					def 	_lowerCamelCase						(  self       ):
									__a	:  Union[str, Any]         =					'''y = x'''
									__a	:  Dict         =					{'''x''': 3}
									__a	:  Union[str, Any]         =					evaluate(_UpperCAmelCase		,     {}		,     state=_UpperCAmelCase       )
									assert result == 3
									self.assertDictEqual(_UpperCAmelCase		,     {'''x''': 3, '''y''': 3}       )







					def 	_lowerCamelCase						(  self       ):
									__a	:  Any         =					'''test_list = [x, add_two(x)]\ntest_list[1]'''
									__a	:  Tuple         =					{'''x''': 3}
									__a	:  Tuple         =					evaluate(_UpperCAmelCase		,     {'''add_two''': add_two}		,     state=_UpperCAmelCase       )
									assert result == 5
									self.assertDictEqual(_UpperCAmelCase		,     {'''x''': 3, '''test_list''': [3, 5]}       )

									__a	:  str         =					'''test_dict = {\'x\': x, \'y\': add_two(x)}\ntest_dict[\'y\']'''
									__a	:  Union[str, Any]         =					{'''x''': 3}
									__a	:  Union[str, Any]         =					evaluate(_UpperCAmelCase		,     {'''add_two''': add_two}		,     state=_UpperCAmelCase       )
									assert result == 5
									self.assertDictEqual(_UpperCAmelCase		,     {'''x''': 3, '''test_dict''': {'''x''': 3, '''y''': 5}}       )







					def 	_lowerCamelCase						(  self       ):
									__a	:  Optional[Any]         =					'''x = 0\nfor i in range(3):\n    x = i'''
									__a	:  int         =					{}
									__a	:  Dict         =					evaluate(_UpperCAmelCase		,     {'''range''': range}		,     state=_UpperCAmelCase       )
									assert result == 2
									self.assertDictEqual(_UpperCAmelCase		,     {'''x''': 2, '''i''': 2}       )






"""simple docstring"""






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

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

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

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

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

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

def       __A (     a_  :int)						->						List[Any]:
				__a	:  Dict         =					list(infix[::-1])  # reverse the infix equation

				for i in range(len(a_)):
								if infix[i] == "(":
												__a	:  Union[str, Any]         =					''')'''  # change "(" to ")"
								elif infix[i] == ")":
												__a	:  List[str]         =					'''('''  # change ")" to "("

				return (infix_2_postfix(''''''.join(a_)))[
				    ::-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)''')