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1. python string replacement with % character/**kwargs weirdness    stackoverflow.com

Following code:

def __init__(self, url, **kwargs):
    for key in kwargs.keys():
     url = url.replace('%%s%' % key, str(kwargs[key]))

File "/home/wells/py-mlb/lib/fetcher.py", line 25, in __init__
url = ...

2. find string with format '[number]' using regex    stackoverflow.com

I have a string in a django/python app and need to search it for every instance of [x]. This includes the brackets and x, where x is any number between 1 ...