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#!/sbin/python3
import sys
def nempty(l):
return [i for i in l if i]
if len(sys.argv) > 2:
s = sys.argv[2]
else:
s = input()
l = nempty(s.strip().split())
r = sys.argv[1].split(":")
if len(r) == 3:
start, end, step = map(int, r)
elif len(r) == 2:
if r[0] == '':
start = 0
end = int(r[1])
step = 1
elif r[1] == '':
start = int(r[0])
end = len(l)
step = 1
else:
start, end = r
step = 1
print(' '.join(l[start:end:step]))
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