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W10_CS116_ReferenceSheet

W10_CS116_ReferenceSheet - CS 116 Winter 2010 Final Exam...

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CS116 Reference Sheet Winter 2010 1 CS 116 Winter 2010 Final Exam Reference Sheet String functions and methods in Python: len(S) produces the number of characters in S . raw_input(p) produces a string entered by keyboard input with the prompt p . S.split() produces a list of strings from S , by dividing S at whitespace. If S has value my dog has fleas.\n” , then S.split() produces [”my”,”dog”,”has”,”fleas.”] . str(v) converts the value v into a string. List functions and methods in Python: map(func,lst) produces the list that results from applying func to each element of lst . filter(func,lst) produces the list of all elements of lst for which func produces True . len(L) produces the number of elements of the list L . X in L produces True if X is an element of L , and False otherwise. L+M produces a new list containing the elements of the list L followed by the elements of the list M .
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