create: Untitled18.ipynb

create: lesson new

create: lesson 6

update: lesson 4

create: new file

update: lesson 3-2

update: lesson 3-1

update: lesson 2-2

update: lesson 2-1

update: lesson 1-2

update: lesson 1-1

create: ap

update: vdata3

create: new file-1, update: vdata1

create: new file

update: pan

update: pan

create: pan

update: numpy

create: new file