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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_environments():
 """Gets all environments found in the 'environments' directory"""

    envs = []
    for root, subfolders, files in os.walk('environments'):
        for filename in files:
            if filename.endswith(".json"):
                path = os.path.join(
                    root[len('environments'):], filename[:-len('.json')])
                envs.append(get_environment(path))
    return sorted(envs, key=lambda x: x['name'])