I want to use %-style string formatting to print a tuple: tup = (1,2,3) print("this is a tuple: %s." % (tup)) I expect it to print like This is a tuple: (1,2,3)., but instead I get an error that says TypeError: not all arguments converted during string formatting. What is wrong, and how do I fix it? In editing this question for clarity and modernization, I preserved one interesting aspect of the o
Is output buffering enabled by default in Python's interpreter for sys.stdout? If the answer is positive, what are all the ways to disable it? Suggestions so far: Use the -u command line switch Wrap sys.stdout in an object that flushes after every write Set PYTHONUNBUFFERED env var sys.stdout = os.fdopen(sys.stdout.fileno(), 'w', 0) Is there any other way to set some global flag in sys/sys.stdout
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