f=lambda s:[s[-1]]*s[-1]==s[-s[-1]:]
 
for truthy in [
    [1],
    [1, 1],
    [2, 1],
    [2, 2],
    [5, 6, 5, 3, 3, 3],
    [1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2],
    [95, 115, 80, 32, 71, 7, 122, 49, 13, 7, 7, 7, 7, 7, 7, 7, 7],
    [27, 33, 54, 65, 97, 33, 52, 55, 60, 1, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10],
    [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15],
  ]:
  print(f(truthy))
 
print('----------------------')
 
for falsey in [
    [2],
    [1, 2],
    [5, 5, 5, 5],
    [5, 6, 5, 4, 4, 4],
    [1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2],
    [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 127],
    [50, 39, 94, 105, 49, 29, 74, 102, 2, 106, 44, 7, 7, 7, 7, 7, 7],
    [26, 27, 59, 25, 122, 110, 20, 30, 114, 6, 9, 62, 121, 42, 22, 60, 33, 12],
  ]:
  print(f(falsey))

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