5. Postfix to Infix expression

In [1]:

expression1 = "a b + e f / *"
expression1 = expression1.split()

expression1 = "a b + e f / *" expression1 = expression1.split()

In [2]:

def postfix_to_infx(expression):
    operator = ["+", "-", "*", "/", "^"]
    stack = []
    for i in expression:
        if i in operator:
            a = stack.pop()
            b = stack.pop()
            exp = b + i + a
            stack.append(exp)
        else:
            stack.append(i)
    print(stack)

def postfix_to_infx(expression): operator = ["+", "-", "*", "/", "^"] stack = [] for i in expression: if i in operator: a = stack.pop() b = stack.pop() exp = b + i + a stack.append(exp) else: stack.append(i) print(stack)

In [3]:

postfix_to_infx(expression1)

postfix_to_infx(expression1)

['a+b*e/f']

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