def ishex(c):
    return '0' <= c <= '9' or 'a' <= c <= 'f' or 'A' <= c <= 'F'
Do basic configuration for the logging system.
dataset/ETHPy150Open LarsMichelsen/pmatic/ccu_pkg/python/lib/python2.7/quopri.py/ishex--crossover with--dataset/ETHPy150Open deanhiller/databus/webapp/play1.3.x/python/Lib/logging/__init__.py/basicConfig