human
Complete the below
def make_signature(func):

    ''''Returns a string repr of the arg list of a func call, with any defaults
    Examples
    >>> def f(a,b,c=2) :
    >>>     return a*b*c
    >>> print(_make_signature(f))
    a,b,c=2'
    '''
assistant
#Here is the Python code you requested.
    spec = signature(func)
    if (spec.defaults is None):
        n_wo_defaults = len(spec.args)
        defaults = (('',) * n_wo_defaults)
    else:
        n_wo_defaults = (len(spec.args) - len(spec.defaults))
        defaults = ((('',) * n_wo_defaults) + spec.defaults)
    args = []
    for (i, (var, default)) in enumerate(zip(spec.args, defaults)):
        args.append((var if (default == '') else ((var + '=') + repr(default))))
    if spec.varargs:
        args.append(('*' + spec.varargs))
    if spec.keywords:
        args.append(('**' + spec.keywords))
    return (args, spec.args)