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- def super_function(A):
- x = list(map(lambda a: a[0], A))
- y = list(map(lambda a: a[1], A))
- d = {}
- for i in range(len(x)):
- if d.get(x[i]) is None:
- d[x[i]] = [y[i]]
- else:
- (d[x[i]]).append(y[i])
- D = max(x) + min(x)
- s = 0
- for i in range(len(A)):
- if d.get(x[i]) == d.get(D-x[i]):
- s += 1
- else:
- break
- return(s == len(A))
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