16 lines
342 B
Python

from collections import Counter
low = 152085
high = 670283
print(len(list( \
filter( \
lambda x: len(set(x)) != len(x) \
and list(x) == sorted(x) \
and 2 in set(Counter(x).values())\
, map(str,range(low,high+1)) \
) \
) \
) \
)