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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 hide_tool(self, context_name, tool_name):
 """Hide a tool so that it is not exposed in the suite. Args: context_name (str):
 Context containing the tool. tool_name (str):
 Name of tool to hide. """

        data = self._context(context_name)
        hidden_tools = data["hidden_tools"]
        if tool_name not in hidden_tools:
            self._validate_tool(context_name, tool_name)
            hidden_tools.add(tool_name)
            self._flush_tools()