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<p>It is possible to enter commands that will render the console unusable or take a long time to complete (infinite loops like <code>while True: print "Hello, world!"</code>, for example). You may terminate execution of the current command with the <em>Interrupt</em> button. This should allow you to resume entering of commands.</p>
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<h3><a name="restarting">Restarting the console</a></h3>
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<p>If things go really wrong, you can restart the console simply by clicking the <em>Console</em> tab. Be aware that you will lose all state (such as variables and functions) entered into your previous console session.</p>
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<p>If things go really wrong, you can restart the console simply by clicking the <em>Reset</em> button. Be aware that you will lose all state (such as variables and functions) entered into your previous console session.</p>