Solve problem "Chess board" online - Learn Python 3 - Snakify

Chess board


Statement

Given two numbers \( n \) and \( m \). Create a two-dimensional array of size \( \left ( n \times m \right ) \) and populate it with the characters "." and "*" in a checkerboard pattern. The top left corner should have the character "." .
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In all the problems input the data using input() and print the result using print().

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