NoAlpha2

def noAlpha(s):
#@param s: string
#@return string
  new_str = ''
  for i in range(len(s)):
    if not s[i].isalpha():
      new_str+=s[i]

  return new_str


def noAlpha1(s):
#@param s: string
#@return string
  new_str = ''
  c = 0
  while(c<len(s)):
    if not s[c].isalpha():
      new_str+=s[c]
    c+=1

  return new_str