#1〜n の自然数からx を除く配列を作る
f978 = lambda x,n:[i for i in range(1,n+1) if i != x]
# これ以降はテストの為
def out(x,n):
print( '個数 n=',n, '自数 x=',x, '自数以外の数=',len(f978(x,n)) )
if n <= 10 : print( f978(x,n) )
out(1,4)
out(2,4)
out(4,4)
out(10**2,10**7)
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