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dict of lambdas solution in Clear category for Boolean Algebra by xtofl
OPERATION_NAMES = ("conjunction", "disjunction", "implication", "exclusive", "equivalence")
def boolean(val1, val2, op):
return {
"conjunction": lambda a, b: a and b,
"disjunction": lambda a, b: a or b,
"implication": lambda a, b: not a or b,
"exclusive": lambda a, b: (a or b) and not (a and b),
"equivalence": lambda a, b: a == b
}[op](val1, val2)
if __name__ == '__main__':
#These "asserts" using only for self-checking and not necessary for auto-testing
assert boolean(1, 0, "conjunction") == 0, "and"
assert boolean(1, 0, "disjunction") == 1, "or"
assert boolean(1, 1, "implication") == 1, "material"
assert boolean(0, 1, "exclusive") == 1, "xor"
assert boolean(0, 1, "equivalence") == 0, "same?"
Sept. 8, 2014
