input: def Matrix_Operations(m1, n1, lst1, m2, n2, lst2):
      """
      Perform various matrix operations like addition, subtraction, multiplication, and transpose.
      The input is given as tuples (m, n, lst) where m and n are the dimensions of the matrix
      and lst is a flattened list of the matrix elements. The operations are done on two matrices.
      The output should be a string of the resultant matrix after each operation.
      
      Example:
      for Matrix_Operations(2, 2, [1, 2, 3, 4], 2, 2, [5, 6, 7, 8]) == 
      "Addition Result:\n6 8 \n10 12 \nSubtraction Result:\n-4 -4 \n-4 -4 \nMultiplication Result:\n19 22 \n43 50 \nTranspose Result:\n1 3 \n2 4 \n"
      """
output:     if m1 != m2 or n1 != n2:
          return "Matrix dimensions do not match for addition and subtraction."
      
      # Convert flattened lists to matrices
      matrix1 = [lst1[i*n1:(i+1)*n1] for i in range(m1)]
      matrix2 = [lst2[i*n2:(i+1)*n2] for i in range(m2)]
      
      # Addition
      addition_result = [[matrix1[i][j] + matrix2[i][j] for j in range(n1)] for i in range(m1)]
      addition_str = "Addition Result:\n" + " ".join(" ".join(map(str, row)) for row in addition_result) + "\n"
      
      # Subtraction
      subtraction_result = [[matrix1[i][j] - matrix2[i][j] for j in range(n1)] for i in range(m1)]
      subtraction_str = "Subtraction Result:\n" + " ".join(" ".join(map(str, row)) for row in subtraction_result) + "\n"
      
      # Multiplication
      if n1 != m2:
          return "Matrix dimensions do not match for multiplication."
      multiplication_result = [[sum(matrix1[i][k] * matrix2[k][j] for k in range(n1)) for j in range(n2)] for i in range(m1)]
      multiplication_str = "Multiplication Result:\n" + " ".join(" ".join(map(str, row)) for row in multiplication_result) + "\n"
      
      # Transpose
      transpose_result = [[matrix1[j][i] for j in range(m1)] for i in range(n1)]
      transpose_str = "Transpose Result:\n" + " ".join(" ".join(map(str, row)) for row in transpose_result) + "\n"
      
      return addition_str + subtraction_str + multiplication_str + transpose_str