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→Part 2 - Pure Function and Modifiers
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:5. If you encounter any syntax error or exception, please fix the error before moving on to the next step.
:6. Now try to set seconds to a '''negative''' value, e.g. -1800, and then call the '''change_time()''' function. Will it change the """'''time1""" ''' object back to '09:50:00'? Let's try it out:<source lang="bash">
>>> format_time(time1)
'10:20:00'
