python3 --version
pip3 --version
virtualenv --version

Install the pip package manager, and Virtualenv:

sudo apt update

sudo apt install python3-pip

When prompted, click Y to continue.

sudo pip3 install -U virtualenv  # system-wide install

Go back and confirm the pip package manager and Virtualenv is installed:

pip3 --version
virtualenv --version

pip install --upgrade tensorflow

python -c "import warnings;warnings.simplefilter(action="proxy.php?url=https%3A%2F%2Fgithub.com%2Fignore", category=FutureWarning);import tensorflow as tf;print(tf.reduce_sum(tf.random.normal([1000, 1000])))"

import warnings
warnings.simplefilter(action="proxy.php?url=https%3A%2F%2Fgithub.com%2Fignore", category=FutureWarning)


import tensorflow as tf
import numpy as np
from tensorflow import keras

from tensorflow.python.util import deprecation
deprecation._PRINT_DEPRECATION_WARNINGS = False

model = tf.keras.Sequential([keras.layers.Dense(units=1, input_shape=[1])])

model.compile(optimizer='sgd', loss='mean_squared_error')

xs = np.array([-1.0, 0.0, 1.0, 2.0, 3.0, 4.0], dtype=float)
ys = np.array([-2.0, 1.0, 4.0, 7.0, 10.0, 13.0], dtype=float)

model.fit(xs, ys, epochs=500)