Answers for "clear all python cache"

remove all pycache files

find . | grep -E "(__pycache__|\.pyc|\.pyo$)" | xargs rm -rf

clear all python cache

find . | grep -E "(__pycache__|\.pyc|\.pyo$)" | xargs rm -rf

python clear memory

a = 10
print a 

del a       
print a      ## throws an error here because it's been deleted already.