a=[0,1,2,3,4,5,6,7,8,9]
for i in range(len(a)//2-1,-1,-1):
print(a[i],end=' ')
for i in range(len(a)-1,len(a)//2-1,-1):
print(a[i],end=' ')
школа 1747
a=[0,1,2,3,4,5,6,7,8,9]
for i in range(len(a)//2-1,-1,-1):
print(a[i],end=' ')
for i in range(len(a)-1,len(a)//2-1,-1):
print(a[i],end=' ')