Problem 1973. Reassign cell contents to empty variables, preserving cell content data type
Given a cell array C, return a cell array D with the following specifications:
1. D has the same size as the input C.
2. Each cell of D contains an empty (0x0) variable, the data type of which must match the data type of the original contents of the cell.
Examples:
1. If C = {1, 2; zeros(2, 'single'), 'ABC'} then D = { [], []; zeros(0, 'single'), ''}.
2. If C = {true, rand(2), 'MATLAB'} then D = {true(0), [], ''}.
Note: cell arrays in the test suite only contain data types present in core MATLAB.
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