[Python] Trying to delete overlapping nested lists in Python

I'm trying to write a code in python that can remove overlapping lists. My lists are in the format [lower_bound,upper_bound,data,data]. These lists are stored in a larger list. I want to iterate over the larger list, removing any of these smaller lists where the bounds overlap. This is what I have.

def cut_overlapping_ranges(ranges):

keep_ranges = []
temp_ranges = ranges

for range_1 in temp_ranges:
keep_ranges.append(range_1)
for range_2 in temp_ranges:
if range_1 != range_2:
if ((range_1[0] < range_2[0] < range_1[1]) or (range_1[0] < range_2[1] < range_1[1])):
temp_ranges.remove(range_2)
return


Is there a good way to do this?

outputs only the first list, deletes all others.

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