Write a function called word_count that takes a string and returns a dictionary that maps every case-insensitive word in the string to the number of times it occurs in the string. Don't worry about punctuation, just count it as part of the word it's attached to.

The blank is type of decision-maker who over analyzes information

What is domain name system (dns)? allows dynamic ip address allocation so users do not have to have a preconfigured ip address to use the network converts ip addresses into domains, or identifying labels that use a variety of recognizable naming conventions the efficient coexistence of telephone, video, and data communication within a single network, offering convenience and flexibility not possible with separate infrastructures the integration of communication channels into a single service

Describe a data structures that supports the stack push and pop operations and a third operation findmin, which returns the smallest element in the data structure, all in o(1) worst-case time.