John Yeadon via Python-list wrote: > Am I unreasonable in expecting this code to exit when required?
It is unreasonable to expect something that doesn't match what you read in the tutorial ;) If you want to terminate the script you can use exit. However exit is a function, and you have to call it exit() to actually do anything. If you want to terminate just the loop, which is more likely because there is a print() following it, you can do this with break (which is a statement, so no trailing ()): > # Add up the powers of 2 starting with 2**0 until 2 million is met. > n = 1 > target = 2000000 > sum = 0 > > while True: > x = 2 ** (n - 1) > sum += x > print(n, sum) > if sum >= target: > print("Target met.") break > n += 1 > > print("\n", n, "terms are required.") -- https://mail.python.org/mailman/listinfo/python-list