I was lazy loading a large json file and wanted to collect only two keys. Running through with ujson I had to check that I had the correct data. I needed to check if my tmp dict was what I wanted. By using set() on a dict you’ll get all the keys and then do
configparser is a great module to store configuration information into a filehttps://docs.python.org/2/library/configparser.html a config file could look like this: To load the value from the file To change the value in the file:
Running through a json file remove all keys but one This is fine running python2 but in python3 you will run into this error Calling keys() in python2 makes a copy of the keys that we iterate through. This is not how it works in python3, this returns an iterator instead of a list, hence
To remove none letters characters from the beginning and end in python use regex from the re.py library. I needed it to remove spaces as well but not in between the words. Here’s what I did: Output:
When going through the example from https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/GettingStarted.Python.04.html I ran into the following error message: The error come from this line The issue was that I was only importing boto3, this is not enough. Guess I have to read the whole tutorial. You’ll have to add the following import.