import sys, os
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
import curriculum as C
from curriculum import en
m = en.missing(C.UNITS)
print(len(m), "missing of", len(en.strings(C.UNITS)))
start = int(sys.argv[1]) if len(sys.argv) > 1 else 0
n = int(sys.argv[2]) if len(sys.argv) > 2 else 0
for s in m[start:start + n]:
    print(repr(s))