Python 3.15 introduces an immutable or ‘frozen’ dictionary that is useful in places ordinary dicts can’t be used.

Serialization is the process of converting a Java object into a sequence of bytes so they can be written to disk, sent over a network, or stored outside of memory. Later, the Java virtual machine (JVM ...

Given a sorted array and a target value, return the index if the target is found. If not, return the index where it would be if it were inserted in order. You may assume no duplicates in the array.