filterDictionary

Usage:

filterDictionary(completeDict, partialDict)

• completeDict: the dictionary to filter
• partialDict: the dictionary whose keys to use in the filter

Example:

CASA <2>: spw_info={0: 10, 1: 100, 2:1000}
CASA <3>: au.filterDictionary(spw_info, {0: 'whatever'})
  Out[3]: {0: 10}