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- def spiral(n):
- dx,dy = 1,0
- x,y = 0,0
- myarray = [[None]* n for j in range(n)]
- for i in range(1,n**2+1):
- myarray[x][y] = i
- nx,ny = x+dx, y+dy
- if 0<=nx<n and 0<=ny<n and myarray[nx][ny] == None:
- x,y = nx,ny
- else:
- dx,dy = -dy,dx
- x,y = x+dx, y+dy
- return myarray
- def printspiral(myarray):
- n = range(len(myarray))
- for y in n:
- for x in n:
- print (myarray[x][y],end=' ')
- print()
- n = int(input())
- printspiral(spiral(n))
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