DagmcStats.py file is added to handle data populating and query problems.
Fixes #69
Motivation and Context
Previously, data frames are passed among multiple functions, which is not efficient. A new class file named DagmcStats.py is added so the data structures are created once and do not need to be passed among different functions. Code in DagmcStats.py file is mainly copied and pasted from dagmc_stats.py file with modifications
Description
DagmcStats.py file is added to handle data populating and query problems.
Fixes #69
Motivation and Context
Previously, data frames are passed among multiple functions, which is not efficient. A new class file named DagmcStats.py is added so the data structures are created once and do not need to be passed among different functions. Code in DagmcStats.py file is mainly copied and pasted from dagmc_stats.py file with modifications