message: Update unique-email-addresses.py
diff: @@ -9,7 +9,7 @@ class Solution(object):
  """
  def convert(email):
  name, domain = email.split('@')
  - name = name.split("+")[0]
  + name = name[:name.index('+')]
  return "".join(["".join(name.split(".")), '@', domain])
  lookup = set()
  