Introduction to Python

Chessboard

Given an integer n (1 ≤ n ≤ 100), you are asked to print out a chessboard of size . b should represent the black fields and w should represent the white ones.
Input
Output
4
wbwb bwbw wbwb bwbw
 

Constraints

Time limit: 2 seconds

Memory limit: 512 MB

Output limit: 1 MB

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