removeduplicates.py

from functools import reduce

mylist = [
          (0,0),
          (0,0),
          (5, 5),
          (10,10),
          (10,10),
          (-2,-3),
          (0,0)
        ]


def func(value, element):
  if element in value:
    return value
  else:
    return value + [element]

boo = reduce(func, mylist, [])
print(boo)