Help on class timedelta in module datetime:

class timedelta(builtins.object)
 |  Difference between two datetime values.
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 |  timedelta(days=0, seconds=0, microseconds=0, milliseconds=0, minutes=0, hours=0, weeks=0)
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 |  All arguments are optional and default to 0.
 |  Arguments may be integers or floats, and may be positive or negative.