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def progress(i, n, i0=0): def _progress(i,n,i0): return 100*(i+1-i0)//(n-i0) if n<i0: i*=-1 n*=-1 i0*=-1 assert i0<=i<n, (i0,i,n) percentage=_progress(i,n,i0) print("{0}%".format(percentage),end="\r")