to_dict: Turn variables into a dictionary

to_dict.py

# Turn a list of variables into a dictionary, keyed on the variable names.
# e.g., apple = 2
#       to_dict(apple) == {'apple': 2}
def to_dict(*args):
        dict = {}
        for key in globals().keys():
            for var in args:
                if (var is not None) and (eval(key) == var):
                    dict[key] = var
            if len(args) == len(dict):
                break
        return dict