def installed(app_id):
    for a in _get_assistive_access():
        if app_id == a[0]:
            return True

    return False
Encode a sequence of two-element tuples or dictionary into a URL query string.
dataset/ETHPy150Open saltstack/salt/salt/modules/mac_assistive.py/installed--crossover with--dataset/ETHPy150Open kleientertainment/ds_mod_tools/pkg/win32/Python27/Lib/urllib.py/urlencode