Connect four is a two-player board game in which the players alternately drop coloured disks into a seven-column, six-row vertically suspended grid, as shown below.The objective of the game is to connect four same-coloured disks in a row, a column,or a diagonal before your opponent can do likewise. The program prompts two players to drop a red or yellow disk alternately. In the preceding figure, there disk is shown in a dark colour and the yellow in a light colour. Whenever a disk is dropped, the program re displays

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