<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def verify_appium_is_running(self):
 """Verify that Appium is running so it can be used for local iOS tests."""

        process = Popen(['ps -e | grep "Appium"'], shell=True, stdout=PIPE)
        (grep_output, _grep_error) = process.communicate()
        lines = grep_output.split('\n')
        for line in lines:
            if 'Appium.app' in line:
                self.stdout.write('Appium is already running')
                return True
        self.stdout.write('Please launch and configure Appium first')
        return False