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Note: Exercises 7.12 D-7.15 are reasonably challenging. Once you have done these problems, you ought to be able to implement most popular card games easily. 7.12 (Card Shuffling and Dealing) Modify the program in Fig. 7.24so that the card-dealing function deals a five-card poker hand. Then write the following additional functions: a. Determine whether the hand contains a pair. b. Determine whether the hand contains two pairs. c. Determine whether the hand contains three of a kind (e.g., three jacks) d. Determine whether the hand contains four of a kind (e.g., four aces). e. Determine whether the hand contains a flush (i.e., all five cards of the same suit) f. Determine whether the hand contains a straight (i.e., five cards of consecutive face values). Note: Exercises 7.12 D-7.15 are reasonably challenging. Once you have done these problems, you ought to be able to implement most popular card games easily. 7.12 (Card Shuffling and Dealing) Modify the program in Fig. 7.24so that the card-dealing function deals a five-card poker hand. Then write the following additional functions: a. Determine whether the hand contains a pair. b. Determine whether the hand contains two pairs. c. Determine whether the hand contains three of a kind (e.g., three jacks) d. Determine whether the hand contains four of a kind (e.g., four aces). e. Determine whether the hand contains a flush (i.e., all five cards of the same suit) f. Determine whether the hand contains a straight (i.e., five cards of consecutive face values)