transplant samples generation to python3

python3_samples/.DS_Store

python3_samples/config_files/.DS_Store

python3_samples/config_files/default.json

python3_samples/config_files/waveform_params.ini

python3_samples/generate_sample.py

python3_samples/output/.DS_Store

python3_samples/utils/__init__.py

python3_samples/utils/__pycache__/__init__.cpython-39.pyc

python3_samples/utils/__pycache__/configfiles.cpython-39.pyc

python3_samples/utils/__pycache__/hdffiles.cpython-39.pyc

python3_samples/utils/__pycache__/samplefiles.cpython-39.pyc

...samples/utils/__pycache__/samplegeneration.cpython-39.pyc

python3_samples/utils/__pycache__/staticargs.cpython-39.pyc

python3_samples/utils/__pycache__/waveforms.cpython-39.pyc

python3_samples/utils/configfiles.py

python3_samples/utils/hdffiles.py

python3_samples/utils/progressbar.py

python3_samples/utils/samplefiles.py

python3_samples/utils/samplegeneration.py

python3_samples/utils/staticargs.py