Using set in Python inside a loop
- by user210481
I have the following list in Python:
[[1, 2], [3, 4], [4, 6], [2, 7], [3, 9]]
I want to group them into [[1,2,7],[3,4,6,7]]
My code to do this looks like this:
l=[[1, 2], [3, 4], [4, 6], [2, 7], [3, 9]]
lf=[]
for li in l:
for lfi in lf:
if lfi.intersection(set(li)):
lfi=lfi.union(set(li))
break
else:
…
