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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _get_indicators(modules):
 """For all modules or classes listed, return the children that are instances of xclim.utils.Indicator. modules : sequence Sequence of modules to inspect. """

    out = []
    for obj in modules:
        for key, val in obj.__dict__.items():
            if isinstance(val, xcu.Indicator):
                out.append(val)

    return out