Exception has occurred: ModuleNotFoundError No module named 'pandas' code example

Example 1: ModuleNotFoundError: No module named 'pandas'

pip3 install pandas
#or
pip install pandas


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Example 2: ModuleNotFoundError: No module named 'official'

export PYTHONPATH=$PYTHONPATH:/path/tomy/tf_models

Example 3: ImportError: No module named pandas

which python
python --version
which pip