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One-liner solution in Creative category for Follow Instructions by suic
follow=lambda p,ds={'f':(0,1),'b':(0,-1),'l':(-1,0),'r':(1,0)},r=__import__("functools").reduce:r(lambda t1,t2:(t1[0]+t2[0],t1[1]+t2[1]), map(ds.get, p))
Aug. 8, 2018
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