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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 is_templatetags_module_valid_constant(node):
 """Suppress warnings for valid constants in templatetags module."""

    if node.name not in ('register', ):
        return False

    parent = node.parent
    while not isinstance(parent, Module):
        parent = parent.parent

    if "templatetags." not in parent.name:
        return False

    return True