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" around the menu disappears A: You have an extra space in your python code at the end of the last line. text = "%s %s" % ("Ticket %s: %s" % (self.ticket_number, self.client_name), Probably the code is highlighting that space as a problem. Please indent the rest of the code. Q: How to make a pandas df good for reading in? I have a large pandas dataframe (200mb+ in size) that I will be reading into from and writing to static files. The dataframe includes numeric and string index values. How can I convert my dataframe to be useful for read/write operations? I am considering doing some of the conversion during preprocessing, but I am open to editing the dataframe after preprocessing if needed. A: First, I would recommend that you use NumPy arrays instead of the pandas dataframe. The arrays use numpy's efficient computations to divide the work well and store it in memory efficiently. If you are comfortable with the concept, it also gives you a way to do fast addition and subtraction of millions of records. Basically: df = pd.DataFrame(np.random.rand(10000,3)) Second, if you have to write to CSV or one of the other text formats, this article gives you a good overview of some of the conversion procedures needed. × Thanks for reading! Log in to continue. Enjoy more articles by logging in or creating a free account. No credit card required. d2c66b5586