def shape(a): m = len(a) n = len(a[0]) return (m, n) def zeros(m, n): row = [] #A row of the matrix for i in range(0, n): #This adds the correct number of 0s to 'row' row.append(0) z = [] #The matrix for i in range (0, m): #This adds the correct number of 'row's to 'z' z.append(list(row)) return z #returns the matrix def matrix_transpose(a): m,n = shape(a) b = zeros(n, m) print b for i in range(n): for j in range(m): b[i][j] = a[j][i] return b print matrix_transpose([[9,2,2], [4,5,6]])
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