# hw1pr4.py - def mult(n m"inputs two integers n and m...

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def mult (n, m): """inputs: two integers n and m outputs: n*m""" if n < 0: n = -n m = -m if n == 0: return 0 else: return m + mult(n-1, m) def dot(L,K): """inputs: two lists of the same length outputs: the dot product of the two lists """ if len(L) != len(K): return 0.0 if len(L) == 0 or len(K) == 0: return 0.0 else: return L[0]*K[0] + dot(L[1:], K[1:]) def ind(e, L): """inputs: a sequence L (string or list) and an element e outputs: the index at which e is first found in L """ if len(L) == 0: return 0 if L[0] == e: return 0 else: return 1 + ind(e, L[1:]) def letterScore (let):

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• Fall '12
• Birnbaum
• len

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