Reddit Comment and Karma checker

CheckRedditKarma.py

import requests, webbrowser

def get_reddit_user_info(username):
	url = "https://www.reddit.com/user/%s.json" % username
	r = requests.get(url)

	json_data = r.json()

	#op = json_data['data']['children'][0]['data']['link_author']
	#individualpost = json_data['data']['children'][0]['data']
	try:
		if json_data['error'] == 404:
			print "404 error, user has been banned or does not exist"
			exit()
	except KeyError:
		pass
	try:
		all_posts =  json_data["data"]['children']
	except KeyError:
		all_posts =  json_data['data']['children']
	

	# max post index = 24 as of 10/19/14
	#print all_posts[3]['data']['score']

	# Prints out all titles of posts I've commented on
	# title - if self post, #link_title - if another user post
	for post in all_posts:
		try:	
			print "Title: %s \nComment: %s \nKarma: %s\n" %                                               (post['data']['link_title'], post['data']['body'], post['data']['score'])
			
		except KeyError: #if selfpost skip it.
		    continue
		    
if __name__ == "__main__":
    x = raw_input("Enter Username >>")
    get_reddit_user_info(x)
   # webbrowser.open("https://www.reddit.com/user/%s" % x)