The list Collection in Python

Mar 20, 2020

Tips and Traps¶

list is essentially a resizable array of objects in Python.
Almosts all methods of list are in-place.
list.pop is inplace and returns the removed element.
To get unique elements in a list, you can first coerce the list to a set and then convert the set back to a list.
```
 unique_list = list(set(alist))
```

Collections and Iterators in C++

Oct 12, 2012

Collections

Prefer std::deque to std::vector when the size of the collection is unknow.
Suppose set A and B are two set with the same type and set C is another set with the same value type but a different comparison function, then it is still valid to insert …