# Put your AndrewID here.
#------------------------
def areComplementary(strand1, strand2):
	return True

def targetAtIndex(strand, target, i):
    return True

def findTarget(strand, traget):
    return 0

def testAreComplementary():
    print "Testing areComplementary..."
    assert(areComplementary("A", "T") == True)
    assert(areComplementary("CTAGG", "GATCC") == True)
    assert(areComplementary("CTA", "GATT") == False)
    assert(areComplementary("CTACGC", "GAT") == False)
    assert(areComplementary("GGcT", "CCGA") == False)
    print "All tests passed!"

def testAtIndex():
    print "Testing targetAtIndex..."
    assert(targetAtIndex("A","A",0) == True)
    assert(targetAtIndex("AAAT","AT",2) == True)
    assert(targetAtIndex("AAAT","xT",2) == True)
    assert(targetAtIndex("GCCATA","yA.",2) == True)
    assert(targetAtIndex("GCCATA","TAC",4) == False)
    print "All tests passed!"

def testFindTarget():
    print "Testing findTarget..."
    assert(findTarget("A", "A") == 0)
    assert(findTarget("ATCGGA", "GAT") == -1)
    assert(findTarget("ATACGTG","ACGT") == 2)
    assert(findTarget("TTAGTTA","xyT.") == 2)
    print "All tests passed!"

testAreComplementary()
testAtIndex()
testFindTarget