Added in class examples.

...ss_example_generator/.idea/in_class_example_generator.iml

...le_generator/.idea/inspectionProfiles/Project_Default.xml

in_class_example_generator/.idea/misc.xml

in_class_example_generator/.idea/modules.xml

in_class_example_generator/.idea/workspace.xml

in_class_example_generator/co-routine_example.py

in_class_example_generator/in_class_practice.py

in_class_example_generator/in_class_practice_2.py

in_class_example_generator/in_class_practice_3.py

in_class_example_generator/venv/bin/activate

in_class_example_generator/venv/bin/activate.csh

in_class_example_generator/venv/bin/activate.fish

in_class_example_generator/venv/bin/easy_install

in_class_example_generator/venv/bin/easy_install-3.6

in_class_example_generator/venv/bin/pip

in_class_example_generator/venv/bin/pip3

in_class_example_generator/venv/bin/pip3.6

in_class_example_generator/venv/bin/python

in_class_example_generator/venv/bin/python3

in_class_example_generator/venv/bin/python3.6