<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def buildDQMasks(imageObjectList,configObj):
 """ Build DQ masks for all input images. """

    # Insure that input imageObject is a list
    if not isinstance(imageObjectList, list):
        imageObjectList = [imageObjectList]

    for img in imageObjectList:
        img.buildMask(configObj['single'], configObj['bits'])