target_list = numpy.array(['1', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j'])
to_exclude = [1, 4, 5]
print(target_list[~numpy.in1d(list(range(len(target_list))), to_exclude)])
Python Indexing with List of Indices to Exclude