def find(sub=None, disp=False):
    if sub is None:
        result = list(_current_constants.keys())
    else:
        result = [key for key in _current_constants
                  if sub.lower() in key.lower()]

    result.sort()
    if disp:
        for key in result:
            print(key)
        return
    else:
        return result

# Table is lacking some digits for exact values: calculate from definition
Draw one or many pymunk objects. It is perfectly fine to pass in a 
dataset/ETHPy150Open scipy/scipy/scipy/constants/codata.py/find--crossover with--dataset/ETHPy150Open estevaofon/angry-birds-python/pymunk-4.0.0/pymunk/pyglet_util.py/draw