def email_split(email_str):
  es = email_str.split("@")
  lead = str(es[0][0])
  last = str(es[0][-1])
  total = lead + '*****' + last + '@' + es[1]
  return total

def phone_split(phone_str):
  last_4 = phone_str[-4:]
  lead = phone_str[:-4]

  mod_str = ""
  for i in lead:
    if i == '(' or i == ')':
        continue
    elif i in '0123456789':
        mod_str = mod_str + '*'
    else:
        mod_str = mod_str + i

  return mod_str + last_4

print email_split("anton@email.com")
print phone_split("617 755 5257")