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Hi! everyone! I'm working on #3 of problem set 5 which is a word game. I keep getting this error for some reason. I don't understand what this tells me. if is_valid_word(word, hand, word_list): File "/Users/piljoomoon/Documents/", line 181, in is_valid_word if hand[letters] == 0 or hand[letters] < 0: KeyError: 'h' ##hand is a dictionary (string-->int) Is there anyone who completed this homework and can help me?

MIT 6.00 Intro Computer Science (OCW)
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Where is your source code?
HI Fonzy, This is my code:

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Other answers:

Just for troubleshooting, print letters and hand[ letters ] just before the if statement in line 181. I'll bet you'll be surprised.

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