input: from typing import List
  
  def filter_out_negative(matrix: List[List[int]]) -> List[List[int]]:
      """ Filters out all negative numbers from the given matrix and returns the modified matrix with 0s in place of negative numbers.
      >>> filter_out_negative([[-1, 2, -3], [-4, 5, 6], [-7, 8, 9]])
      [[0, 2, 0], [0, 5, 6], [0, 8, 9]]
      """
      import numpy as np
      # Convert matrix to numpy array
      matrix = np.array(matrix)
      # Find all negative numbers and set them to 0
      matrix[matrix < 0] = 0
      return matrix
output:     return matrix.tolist()