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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 docker_start(develop=True):
 """ Start docker container """

    curr_dir = os.path.dirname(os.path.realpath(__file__))
    local('docker run --rm --name pynb -d -ti -p 127.0.0.1:8889:8888  -v {}:/code -t pynb'.format(curr_dir))

    if develop:
        # Install package in develop mode: the code in /code is mapped to the installed package.
        docker_exec('python3 setup.py develop')

    print('Jupyter available at http://127.0.0.1:8889')