re_mail=re.compile(r'[a-zA-Z][\w\.]*@[a-zA-Z0-9]+\.com')
def is_valid_email(addr):
    if re_mail.match(addr):
        return True

re_mail=re.compile(r'([\w<> ]*?)([a-zA-Z][\w\.]*?)@[a-zA-Z0-9]+\.[com|org]')

def name_of_email(addr):
    result = re_mail.match(addr)
    if result.group(1):
        return re.match(r'<([\w ]+)>', result.group(1)).group(1)
    else:
        return result.group(2)