code: 
  
  
  
  
  
  '''simple docstring'''
  
  
  
  
  
  
  
  import ast
  import difflib
  from collections.abc import Mapping
  from typing import Any, Callable, Dict
  
  
  
  
  
  class 					_UpperCAmelCase							(		lowerCAmelCase_     ):
    pass
  
  
  
  
  
  def      _lowerCAmelCase		(		lowercase      ,			lowercase      ,			lowercase=None      ,			lowercase=False			)      ->      List[Any]:
     try:
        __lowerCAmelCase      		=       ast.parse(lowercase			)
     except SyntaxError as e:
        print("""The code generated by the agent is not valid.\n"""      ,			lowercase			)
        return
     if state is None:
        __lowerCAmelCase      		=       {}
     __lowerCAmelCase      		=       None
     for idx, node in enumerate(expression.body			):
        try:
           __lowerCAmelCase      		=       evaluate_ast(lowercase      ,			lowercase      ,			lowercase			)
        except InterpretorError as e:
           __lowerCAmelCase      		=       f'Evaluation of the code stopped at line {idx} before the end because of the following error'
           if chat_mode:
              msg += (
                  f'. Copy paste the following error message and send it back to the agent:\nI get an error: \'{e}\''
              )
           else:
              msg += f':\n{e}'
           print(lowercase			)
           break
        if line_result is not None:
           __lowerCAmelCase      		=       line_result
  
     return result
  
  
  
  
  
  def      _lowerCAmelCase		(		lowercase      ,			lowercase      ,			lowercase			)      ->      str:
     if isinstance(lowercase      ,			ast.Assign			):
        # Assignement -> we evaluate the assignement which should update the state
        # We return the variable assigned as it may be used to determine the final result.
        return evaluate_assign(lowercase      ,			lowercase      ,			lowercase			)
     elif isinstance(lowercase      ,			ast.Call			):
        # Function call -> we return the value of the function call
        return evaluate_call(lowercase      ,			lowercase      ,			lowercase			)
     elif isinstance(lowercase      ,			ast.Constant			):
        # Constant -> just return the value
        return expression.value
     elif isinstance(lowercase      ,			ast.Dict			):
        # Dict -> evaluate all keys and values
        __lowerCAmelCase      		=       [evaluate_ast(lowercase      ,			lowercase      ,			lowercase			) for k in expression.keys]
        __lowerCAmelCase      		=       [evaluate_ast(lowercase      ,			lowercase      ,			lowercase			) for v in expression.values]
        return dict(zip(lowercase      ,			lowercase			)			)
     elif isinstance(lowercase      ,			ast.Expr			):
        # Expression -> evaluate the content
        return evaluate_ast(expression.value      ,			lowercase      ,			lowercase			)
     elif isinstance(lowercase      ,			ast.For			):
        # For loop -> execute the loop
        return evaluate_for(lowercase      ,			lowercase      ,			lowercase			)
     elif isinstance(lowercase      ,			ast.FormattedValue			):
        # Formatted value (part of f-string) -> evaluate the content and return
        return evaluate_ast(expression.value      ,			lowercase      ,			lowercase			)
     elif isinstance(lowercase      ,			ast.If			):
        # If -> execute the right branch
        return evaluate_if(lowercase      ,			lowercase      ,			lowercase			)
     elif hasattr(lowercase      ,			"""Index"""			) and isinstance(lowercase      ,			ast.Index			):
        return evaluate_ast(expression.value      ,			lowercase      ,			lowercase			)
     elif isinstance(lowercase      ,			ast.JoinedStr			):
        return "".join([str(evaluate_ast(lowercase      ,			lowercase      ,			lowercase			)			) for v in expression.values]			)
     elif isinstance(lowercase      ,			ast.List			):
        # List -> evaluate all elements
        return [evaluate_ast(lowercase      ,			lowercase      ,			lowercase			) for elt in expression.elts]
     elif isinstance(lowercase      ,			ast.Name			):
        # Name -> pick up the value in the state
        return evaluate_name(lowercase      ,			lowercase      ,			lowercase			)
     elif isinstance(lowercase      ,			ast.Subscript			):
        # Subscript -> return the value of the indexing
        return evaluate_subscript(lowercase      ,			lowercase      ,			lowercase			)
     else:
        # For now we refuse anything else. Let's add things as we need them.
        raise InterpretorError(f'{expression.__class__.__name__} is not supported.'			)
  
  
  
  
  
  def      _lowerCAmelCase		(		lowercase      ,			lowercase      ,			lowercase			)      ->      Optional[Any]:
     __lowerCAmelCase      		=       assign.targets
     __lowerCAmelCase      		=       evaluate_ast(assign.value      ,			lowercase      ,			lowercase			)
  
     if len(lowercase			) == 1:
        __lowerCAmelCase      		=       result
     else:
        if len(lowercase			) != len(lowercase			):
           raise InterpretorError(f'Expected {len(lowercase			)} values but got {len(lowercase			)}.'			)
        for var_name, r in zip(lowercase      ,			lowercase			):
           __lowerCAmelCase      		=       r
     return result
  
  
  
  
  
  def      _lowerCAmelCase		(		lowercase      ,			lowercase      ,			lowercase			)      ->      List[str]:
     if not isinstance(call.func      ,			ast.Name			):
        raise InterpretorError(
            f'It is not permitted to evaluate other functions than the provided tools (tried to execute {call.func} of '
            f'type {type(call.func			)}.'			)
     __lowerCAmelCase      		=       call.func.id
     if func_name not in tools:
        raise InterpretorError(
            f'It is not permitted to evaluate other functions than the provided tools (tried to execute {call.func.id}).'			)
  
     __lowerCAmelCase      		=       tools[func_name]
     # Todo deal with args
     __lowerCAmelCase      		=       [evaluate_ast(lowercase      ,			lowercase      ,			lowercase			) for arg in call.args]
     __lowerCAmelCase      		=       {keyword.arg: evaluate_ast(keyword.value      ,			lowercase      ,			lowercase			) for keyword in call.keywords}
     return func(*lowercase      ,			**lowercase			)
  
  
  
  
  
  def      _lowerCAmelCase		(		lowercase      ,			lowercase      ,			lowercase			)      ->      Union[str, Any]:
     __lowerCAmelCase      		=       evaluate_ast(subscript.slice      ,			lowercase      ,			lowercase			)
     __lowerCAmelCase      		=       evaluate_ast(subscript.value      ,			lowercase      ,			lowercase			)
     if isinstance(lowercase      ,			(list, tuple)			):
        return value[int(lowercase			)]
     if index in value:
        return value[index]
     if isinstance(lowercase      ,			lowercase			) and isinstance(lowercase      ,			lowercase			):
        __lowerCAmelCase      		=       difflib.get_close_matches(lowercase      ,			list(value.keys()			)			)
        if len(lowercase			) > 0:
           return value[close_matches[0]]
  
     raise InterpretorError(f'Could not index {value} with \'{index}\'.'			)
  
  
  
  
  
  def      _lowerCAmelCase		(		lowercase      ,			lowercase      ,			lowercase			)      ->      int:
     if name.id in state:
        return state[name.id]
     __lowerCAmelCase      		=       difflib.get_close_matches(name.id      ,			list(state.keys()			)			)
     if len(lowercase			) > 0:
        return state[close_matches[0]]
     raise InterpretorError(f'The variable `{name.id}` is not defined.'			)
  
  
  
  
  
  def      _lowerCAmelCase		(		lowercase      ,			lowercase      ,			lowercase			)      ->      Dict:
     if len(condition.ops			) > 1:
        raise InterpretorError("""Cannot evaluate conditions with multiple operators"""			)
  
     __lowerCAmelCase      		=       evaluate_ast(condition.left      ,			lowercase      ,			lowercase			)
     __lowerCAmelCase      		=       condition.ops[0]
     __lowerCAmelCase      		=       evaluate_ast(condition.comparators[0]      ,			lowercase      ,			lowercase			)
  
     if isinstance(lowercase      ,			ast.Eq			):
        return left == right
     elif isinstance(lowercase      ,			ast.NotEq			):
        return left != right
     elif isinstance(lowercase      ,			ast.Lt			):
        return left < right
     elif isinstance(lowercase      ,			ast.LtE			):
        return left <= right
     elif isinstance(lowercase      ,			ast.Gt			):
        return left > right
     elif isinstance(lowercase      ,			ast.GtE			):
        return left >= right
     elif isinstance(lowercase      ,			ast.Is			):
        return left is right
     elif isinstance(lowercase      ,			ast.IsNot			):
        return left is not right
     elif isinstance(lowercase      ,			ast.In			):
        return left in right
     elif isinstance(lowercase      ,			ast.NotIn			):
        return left not in right
     else:
        raise InterpretorError(f'Operator not supported: {comparator}'			)
  
  
  
  
  
  def      _lowerCAmelCase		(		lowercase      ,			lowercase      ,			lowercase			)      ->      Union[str, Any]:
     __lowerCAmelCase      		=       None
     if evaluate_condition(if_statement.test      ,			lowercase      ,			lowercase			):
        for line in if_statement.body:
           __lowerCAmelCase      		=       evaluate_ast(lowercase      ,			lowercase      ,			lowercase			)
           if line_result is not None:
              __lowerCAmelCase      		=       line_result
     else:
        for line in if_statement.orelse:
           __lowerCAmelCase      		=       evaluate_ast(lowercase      ,			lowercase      ,			lowercase			)
           if line_result is not None:
              __lowerCAmelCase      		=       line_result
     return result
  
  
  
  
  
  
  
  def      _lowerCAmelCase		(		lowercase      ,			lowercase      ,			lowercase			)      ->      int:
     __lowerCAmelCase      		=       None
     __lowerCAmelCase      		=       evaluate_ast(for_loop.iter      ,			lowercase      ,			lowercase			)
     for counter in iterator:
        __lowerCAmelCase      		=       counter
        for expression in for_loop.body:
           __lowerCAmelCase      		=       evaluate_ast(lowercase      ,			lowercase      ,			lowercase			)
           if line_result is not None:
              __lowerCAmelCase      		=       line_result
     return result
  
  
style_context: 
  
  
  
  
  
  '''simple docstring'''
  
  
  
  
  
  
  
  import math
  import sys
  
  
  
  
  
  class 					_UpperCAmelCase							:
  		def __init__(						self    ):
  
  
  
  					'''simple docstring'''
  
  					__lowerCAmelCase      		=       0
  					__lowerCAmelCase      		=       []
  					__lowerCAmelCase      		=       {}  # To store the pos of node in array
  		def 						lowerCamelCase__    (						self    ):
  
  
  
  					'''simple docstring'''
  
  					return self.cur_size == 0
  		def 						lowerCamelCase__    (						self,__SCREAMING_SNAKE_CASE    ):
  
  
  
  					'''simple docstring'''
  
  					__lowerCAmelCase      		=       self.left(__SCREAMING_SNAKE_CASE    )
  					__lowerCAmelCase      		=       self.right(__SCREAMING_SNAKE_CASE    )
  					if lc < self.cur_size and self.array(__SCREAMING_SNAKE_CASE    )[0] < self.array(__SCREAMING_SNAKE_CASE    )[0]:
  								__lowerCAmelCase      		=       lc
  					else:
  								__lowerCAmelCase      		=       idx
  					if rc < self.cur_size and self.array(__SCREAMING_SNAKE_CASE    )[0] < self.array(__SCREAMING_SNAKE_CASE    )[0]:
  								__lowerCAmelCase      		=       rc
  					if smallest != idx:
  								self.swap(__SCREAMING_SNAKE_CASE,__SCREAMING_SNAKE_CASE    )
  								self.min_heapify(__SCREAMING_SNAKE_CASE    )
  		def 						lowerCamelCase__    (						self,__SCREAMING_SNAKE_CASE    ):
  
  
  
  					'''simple docstring'''
  
  					__lowerCAmelCase      		=       self.cur_size
  					self.cur_size += 1
  					self.array.append((sys.maxsize, tup[1])    )
  					self.decrease_key((sys.maxsize, tup[1]),tup[0]    )
  		def 						lowerCamelCase__    (						self    ):
  
  
  
  					'''simple docstring'''
  
  					__lowerCAmelCase      		=       self.array[0][1]
  					__lowerCAmelCase      		=       self.array[self.cur_size - 1]
  					self.cur_size -= 1
  					self.min_heapify(1    )
  					del self.pos[min_node]
  					return min_node
  		def 						lowerCamelCase__    (						self,__SCREAMING_SNAKE_CASE    ):
  
  
  
  					'''simple docstring'''
  
  					return 2 * i + 1
  		def 						lowerCamelCase__    (						self,__SCREAMING_SNAKE_CASE    ):
  
  
  
  					'''simple docstring'''
  
  					return 2 * i + 2
  		def 						lowerCamelCase__    (						self,__SCREAMING_SNAKE_CASE    ):
  
  
  
  					'''simple docstring'''
  
  					return math.floor(i / 2    )
  		def 						lowerCamelCase__    (						self,__SCREAMING_SNAKE_CASE,__SCREAMING_SNAKE_CASE    ):
  
  
  
  					'''simple docstring'''
  
  					__lowerCAmelCase      		=       j
  					__lowerCAmelCase      		=       i
  					__lowerCAmelCase      		=       self.array[i]
  					__lowerCAmelCase      		=       self.array[j]
  					__lowerCAmelCase      		=       temp
  
  
  
  
  
  
  
  		def 						lowerCamelCase__    (						self,__SCREAMING_SNAKE_CASE,__SCREAMING_SNAKE_CASE    ):
  
  
  
  					'''simple docstring'''
  
  					__lowerCAmelCase      		=       self.pos[tup[1]]
  					# assuming the new_d is atmost old_d
  					__lowerCAmelCase      		=       (new_d, tup[1])
  					while idx > 0 and self.array[self.par(__SCREAMING_SNAKE_CASE    )][0] > self.array[idx][0]:
  								self.swap(__SCREAMING_SNAKE_CASE,self.par(__SCREAMING_SNAKE_CASE    )    )
  								__lowerCAmelCase      		=       self.par(__SCREAMING_SNAKE_CASE    )
  
  
  
  
  
  class 					_UpperCAmelCase							:
  		def __init__(						self,__SCREAMING_SNAKE_CASE    ):
  
  
  
  					'''simple docstring'''
  
  					__lowerCAmelCase      		=       {}  # To store graph: u -> (v,w)
  					__lowerCAmelCase      		=       num  # Number of nodes in graph
  					# To store the distance from source vertex
  					__lowerCAmelCase      		=       [0] * self.num_nodes
  					__lowerCAmelCase      		=       [-1] * self.num_nodes  # To store the path
  		def 						lowerCamelCase__    (						self,__SCREAMING_SNAKE_CASE,__SCREAMING_SNAKE_CASE,__SCREAMING_SNAKE_CASE    ):
  
  
  
  					'''simple docstring'''
  
  					if u in self.adjList:
  								self.adjList[u].append((v, w)    )
  					else:
  								__lowerCAmelCase      		=       [(v, w)]
  
  					# Assuming undirected graph
  					if v in self.adjList:
  								self.adjList[v].append((u, w)    )
  					else:
  								__lowerCAmelCase      		=       [(u, w)]
  		def 						lowerCamelCase__    (						self    ):
  
  
  
  					'''simple docstring'''
  
  					for u in self.adjList:
  								print(__SCREAMING_SNAKE_CASE,"""->""",""" -> """.join(str(f'{v}({w})'    ) for v, w in self.adjList[u]    )    )
  		def 						lowerCamelCase__    (						self,__SCREAMING_SNAKE_CASE    ):
  
  
  
  					'''simple docstring'''
  
  					__lowerCAmelCase      		=       [-1] * self.num_nodes
  					# src is the source node
  					__lowerCAmelCase      		=       0
  					__lowerCAmelCase      		=       PriorityQueue()
  					q.insert((0, src)    )  # (dist from src, node)
  					for u in self.adjList:
  								if u != src:
  											__lowerCAmelCase      		=       sys.maxsize  # Infinity
  											__lowerCAmelCase      		=       -1
  
  					while not q.is_empty():
  								__lowerCAmelCase      		=       q.extract_min()  # Returns node with the min dist from source
  								# Update the distance of all the neighbours of u and
  								# if their prev dist was INFINITY then push them in Q
  								for v, w in self.adjList[u]:
  											__lowerCAmelCase      		=       self.dist[u] + w
  											if self.dist[v] > new_dist:
  														if self.dist[v] == sys.maxsize:
  																	q.insert((new_dist, v)    )
  														else:
  																	q.decrease_key((self.dist[v], v),__SCREAMING_SNAKE_CASE    )
  														__lowerCAmelCase      		=       new_dist
  														__lowerCAmelCase      		=       u
  
          # Show the shortest distances from src
  					self.show_distances(__SCREAMING_SNAKE_CASE    )
  		def 						lowerCamelCase__    (						self,__SCREAMING_SNAKE_CASE    ):
  
  
  
  					'''simple docstring'''
  
  					print(f'Distance from node: {src}'    )
  					for u in range(self.num_nodes    ):
  								print(f'Node {u} has distance: {self.dist[u]}'    )
  
  
  
  
  
  
  
  		def 						lowerCamelCase__    (						self,__SCREAMING_SNAKE_CASE,__SCREAMING_SNAKE_CASE    ):
  
  
  
  					'''simple docstring'''
  
  					__lowerCAmelCase      		=       []
  					__lowerCAmelCase      		=       0
  					__lowerCAmelCase      		=       dest
  					# Backtracking from dest to src
  					while self.par[temp] != -1:
  								path.append(__SCREAMING_SNAKE_CASE    )
  								if temp != src:
  											for v, w in self.adjList[temp]:
  														if v == self.par[temp]:
  																	cost += w
  																	break
  								__lowerCAmelCase      		=       self.par[temp]
  					path.append(__SCREAMING_SNAKE_CASE    )
  					path.reverse()
  
  					print(f'----Path to reach {dest} from {src}----'    )
  					for u in path:
  								print(f'{u}',end=""" """    )
  								if u != dest:
  											print("""-> """,end=""""""    )
  
  					print("""\nTotal cost of path: """,__SCREAMING_SNAKE_CASE    )
  
  
  if __name__ == "__main__":
  	_a      :				str											=					Graph(9)
  	graph.add_edge(0, 1, 4)
  	graph.add_edge(0, 7, 8)
  	graph.add_edge(1, 2, 8)
  	graph.add_edge(1, 7, 1_1)
  	graph.add_edge(2, 3, 7)
  	graph.add_edge(2, 8, 2)
  	graph.add_edge(2, 5, 4)
  	graph.add_edge(3, 4, 9)
  	graph.add_edge(3, 5, 1_4)
  	graph.add_edge(4, 5, 1_0)
  	graph.add_edge(5, 6, 2)
  	graph.add_edge(6, 7, 1)
  	graph.add_edge(6, 8, 6)
  	graph.add_edge(7, 8, 7)
  	graph.show_graph()
  	graph.dijkstra(0)
  	graph.show_path(0, 4)
  
  # OUTPUT
  # 0 -> 1(4) -> 7(8)
  # 1 -> 0(4) -> 2(8) -> 7(11)
  # 7 -> 0(8) -> 1(11) -> 6(1) -> 8(7)
  # 2 -> 1(8) -> 3(7) -> 8(2) -> 5(4)
  # 3 -> 2(7) -> 4(9) -> 5(14)
  # 8 -> 2(2) -> 6(6) -> 7(7)
  # 5 -> 2(4) -> 3(14) -> 4(10) -> 6(2)
  # 4 -> 3(9) -> 5(10)
  # 6 -> 5(2) -> 7(1) -> 8(6)
  # Distance from node: 0
  # Node 0 has distance: 0
  # Node 1 has distance: 4
  # Node 2 has distance: 12
  # Node 3 has distance: 19
  # Node 4 has distance: 21
  # Node 5 has distance: 11
  # Node 6 has distance: 9
  # Node 7 has distance: 8
  # Node 8 has distance: 14
  # ----Path to reach 4 from 0----
  # 0 -> 7 -> 6 -> 5 -> 4
  # Total cost of path:  21
  
  