# 4 examples of 'sort 2d array python' in Python

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``455def Sort(self):456    r"""Sort(doubleArray self)"""457    return _array.doubleArray_Sort(self)``
``432@numba.jit(nopython=True)433def is_sorted(arr):434    """435    Returns True if arr is a sorted numpy array and False otherwise.436    """437    for i in range(arr.size-1):438        if arr[i+1] &lt; arr[i]:439            return False440    return True``
``31def column_based_sort(array, column=0):32    """33    &gt;&gt;&gt; column_based_sort([(5, 1), (4, 2), (3, 0)], 1)34    [(3, 0), (5, 1), (4, 2)]35    """36    return sorted(array, key=lambda x: x[column])``
``6def Sort(ARR, array_history=None, sort_seq=None):7  """Rearranges the array, ARR, in ascending order, using the natural order."""8  # array_history; Used in tests. When true prints ASCII Art demonstrating the sort9  N = len(ARR)1011  # 3x+1 increment sequence:  [1, 4, 13, 40, 121, 364, 1093, ...12  ha = get_sort_seq(N, sort_seq)13  print ha1415  for h in reversed(ha):16    # h-sort the array (insertion sort)17    for i in range(h,N):18      j = i19      while j &gt;= h and __lt__(ARR[j], ARR[j-h]):20        if array_history is not None:21          array_history.add_history(ARR, {j:'*', j-h:'*'} )22        _exch(ARR, j, j-h)23        j -= h24    assert _isHsorted(ARR, h)25  assert _isSorted(ARR)26  if array_history is not None:27    array_history.add_history(ARR, None)``