does something useful | Python Fiddle

from django.shortcuts import render
from django.http import HttpResponse
from shortenurl.models import Url

# Create your views here.
def shortenurl(request):
	return render(request, 'shorten-url.html')

def generateurl(request):
	errors = []
	
	if 'longurl' in request.GET:
		longurl = request.GET['longurl']
		
		if not longurl:
			errors.append('Enter a url')
		else:
			url = Url.objects.create(long_url = longurl, short_url = "")
			id = url.id

num = id
			digits = []
		
			while num > 0:
				remainder = num%62
				digits.append(remainder)
				num = num/62
		
			digits.reverse()
			list = getList()
			shorturl = "www.pooja.com/"
			for i in digits:
				shorturl += list[i]
		
			url.short_url = shorturl
			url.save()
			return render(request, 'displayurl.html', {'shorturl': shorturl, 'longurl' : longurl})

return render(request, 'shorten-url.html', {'errors': errors})

def getList():
	list1 = map(chr, range(97, 123))
	list2 = map(chr, range(65, 91))
	list1 = list1 + list2
	list1 = list1 + range(10)
	return list1

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