You can try to use dict comprehension with list slicing
a = ['fb_ads_sm', 'Active', '18 hr ago', '23', 'sm_sg13', 'Pending', '12 hr ago']
{k: v for k, v in zip(a[::4], a[1::4])}
OR
dict(zip(a[::4], a[1::4]))
Output
{'fb_ads_sm': 'Active', 'sm_sg13': 'Pending'}