targetlist = [0, 10, 20, 30, 40, 50, 60, 70, 80, 90]
removelist = [2, 7, 5]

# The code below here should remove the elements from targetlist that
# are given in removelist.
#
# After, targetlist should be [0, 10, 30, 40, 60, 80, 90]
# This code doesn't work.

for elt in removelist:
    del targetlist[elt]

print targetlist
# at the moment, this prints: [0, 10, 30, 40, 50, 70, 90]