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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_all_apps():
 """Get a list of all applications in Spinnaker. Returns: requests.models.Response: Response from Gate containing list of all apps. """

    LOG.info('Retreiving list of all Spinnaker applications')
    url = '{}/applications'.format(API_URL)
    response = requests.get(url, verify=GATE_CA_BUNDLE, cert=GATE_CLIENT_CERT)

    assert response.ok, 'Could not retrieve application list'

    pipelines = response.json()
    LOG.debug('All Applications:\n%s', pipelines)

    return pipelines