chore(python): add requirements.txt

.gitignore

@@ -19,3 +19,4 @@ test/
 **/__pycache__/
 .ipynb_checkpoints/
 .venv/
+venv/

requirements.txt

@@ -0,0 +1,41 @@
+backcall==0.1.0
+bleach==3.0.2
+decorator==4.3.0
+defusedxml==0.5.0
+entrypoints==0.2.3
+ipykernel==5.1.0
+ipython==7.2.0
+ipython-genutils==0.2.0
+ipywidgets==7.4.2
+jedi==0.13.1
+Jinja2==2.10
+jsonschema==2.6.0
+jupyter==1.0.0
+jupyter-client==5.2.3
+jupyter-console==6.0.0
+jupyter-core==4.4.0
+MarkupSafe==1.1.0
+mistune==0.8.4
+nbconvert==5.4.0
+nbformat==4.4.0
+notebook==5.7.2
+pandocfilters==1.4.2
+parso==0.3.1
+pexpect==4.6.0
+pickleshare==0.7.5
+prometheus-client==0.5.0
+prompt-toolkit==2.0.7
+ptyprocess==0.6.0
+Pygments==2.3.0
+python-dateutil==2.7.5
+pyzmq==17.1.2
+qtconsole==4.4.3
+Send2Trash==1.5.0
+six==1.12.0
+terminado==0.8.1
+testpath==0.4.2
+tornado==5.1.1
+traitlets==4.3.2
+wcwidth==0.1.7
+webencodings==0.5.1
+widgetsnbextension==3.4.2