==Dictionary==
https://www.w3schools.com/python/python_dictionaries.asp
== List ==
a = [1, 2, 3]
=== append ===
=== del ===
delete by index(1 base)
=== remove ===
remove by value
a.remove(3)
==Datetime==
https://www.w3schools.com/python/python_datetime.asp