noseq

def noalfawhile(s):
#@param s:string
#return string
  char=""
  i=0
  while(i!=len(s)):
    if not(s[i].isalpha()):
      char=char+s[i]
    i=i+1
  return char

def noalfafor(s):
#@param s:string
#return string
  char=""
  i=0
  for i in range(0,len(s)):
    if not(s[i].isdigit()):
      char=char+s[i]
    i=i+1
  return char

def nomunwhile(s):
#@param s:string
#return string
  char=""
  i=0
  while(i!=len(s)):
    if not(s[i].isdigit()):
      char=char+s[i]
    i=i+1
  return char

def nonumfor(s):
#@param s:string
#return string
  char=""
  i=0
  for i in range(0,len(s)):
    if not(s[i].isalpha()):
      char=char+s[i]
    i=i+1
  return char