Python program to check matching of simple parentheses

Question

I am a Python newbie and I came across this exercise of checking whether or not the simple brackets \"(\", \")\" in a given string are matched evenly.

I have seen ex

Answer 1

just modified Henry Prickett-Morgan's code a little bit to handle it more sensibly, namely taking into account that the number of "(" matches that of ")" but string starts with ")" or ends with "(" which are apparently not right.

def ValidParenthesis(s):
    count = 0
    if s[0] == ')' or s[-1] == '(':
      return False
    else:
      for c in s:
        if c == '(':
          count += 1
        elif c == ')':
          count -= 1
        else:
          continue
      return count == 0