how to get requirements from python file code example

Example 1: install requirements.txt

pip install -r requirements.txt

Example 2: python requirements.txt

# to generate the requirements.txt file:
pip install pipreqs	# Install via teminal.
pipreqs path/to/project	# Generate requirements.txt file
# There is now a requirements.txt file in the project folder.
# to install a requirements.txt file:
pip install -r requirements.txt
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