1. Digital
int(...)
2. String
replace/find/join/startswith/endswith/split/upper/ower/format
3. List
append/entend/insert
Index, slice, loop
4. Tuple
Index, slice, loop
First-level elements cannot be modified, added or deleted
5. Dictionary
get/update/keys/values/items
for loop, index
in(key)
6. Boolean value
bool(...) conversion
false: None, "" (empty string), [] (empty list), () (empty tuple), {} (empty dictionary), 0