def infix_to_rpn(input_data): stack = Stack() temp = "" output = [] dictionary = {'^': 3, '*': 2, '/': 2, '+': 1, '-': 1, '(': 0} for item in input_data: for char in item: if char in dictionary and char != '(': if stack.isEmpty(): stack.Push(char) elif dictionary.get(char) <= dictionary.get(stack.Top()): temp += stack.Top() stack.Pop() stack.Push(char) elif dictionary.get(char) > dictionary.get(stack.Top()): stack.Push(char) elif char == '(': stack.Push(char) elif char == ')': temp = clear_stack(stack, temp) elif char == '=': temp = clear_stack(stack, temp) output.append(temp) temp = "" else: temp += char return output
choice = "Yes" while choice: print(a) b = int(input('Enter your choice: ')) if b == 1: c = int(input('Enter the element you want to push: ')) stack.Push(c) print(stack.display()) elif b == 2: if stack.Empty(): print('Stack is empty') else: print('Popped element {} from the stack {}'.format( stack.Pop(), stack.display())) elif b == 3: print("The top element in the stack is {}", stack.Top()) elif b == 4: if not stack.Empty(): print('Stack is not empty') else: print('Stack is Empty') elif b == 5: print('Maximum element from the stack is {}', stack.max()) else: print('Invalid choice') choice = input('Do you want to continue? Yes/No')
from Stack import Stack The_Stack = Stack() The_Stack.Push('Hello') The_Stack.Push('World') The_Stack.Push('Hady') print(The_Stack.Top()) print(The_Stack.Pop()) print(The_Stack.Pop()) print(The_Stack.Pop())
choice = "Yes" while choice: print(a) b = int(input('Enter your choice: ')) if b == 1: c = int(input('Enter the element you want to push: ')) stack.Push(c) print(stack.display()) elif b == 2: if stack.Empty(): print('Stack is empty') else: print('Popped element {} from the stack {}'.format( stack.Pop(), stack.display())) elif b == 3: print("The top element in the stack is {}".format(stack.Top())) elif b == 4: if not stack.Empty(): print('Stack is not empty') else: print('Stack is Empty') elif b == 5: print('Maximum element from the stack is {}'.format(stack.max())) else: print('Invalid choice') choice = input('Do you want to continue? Yes/No')