from urllib import request
from html.parser import HTMLParser

url = 'https://www.python.org/events/python-events/'
data = request.urlopen(url).read().decode('utf-8')

class MyHTMLParser(HTMLParser):
    def __init__(self):
        super().__init__()
        self.flag = 0        self.count = 0    
    def handle_starttag(self, tag, attrs):
        if tag == 'h3' and ('class', 'event-title') in attrs:
            self.flag = 1            
            self.count += 1            
            print('Event No: %s' %self.count)
        if tag == 'time' and 'datetime' in attrs[0]:
            self.flag = 2        
            if tag == 'span' and ('class', 'event-location') in attrs:
            self.flag = 3    
    def handle_data(self, data):
        if self.flag == 1:
            print('Event Name: %s' % data)
            self.flag = 0        
        if self.flag == 2:
            print('Event Time: %s' % data)
            self.flag = 0        
        if self.flag == 3:
            print('Event Location: %s\n' % data)
            self.flag = 0

MyHTMLParser().feed(data)