see tensorflow version python

1import tensorflow as tf
2tf.__version__

1python -c 'import tensorflow as tf; print(tf.__version__)'  # for Python 2
2python3 -c 'import tensorflow as tf; print(tf.__version__)'  # for Python 3

1python3
2import tensorflow as tf
3tf.__version__

1python -c 'import tensorflow as tf; print(tf.__version__)'  # for Python 2
2python3 -c 'import tensorflow as tf; print(tf.__version__)'  # for Python 3
3

1pip install tensorflow==2.0.0