Kumite (ko͞omiˌtā) is the practice of taking techniques learned from Kata and applying them through the act of freestyle sparring.
You can create a new kumite by providing some initial code and optionally some test cases. From there other warriors can spar with you, by enhancing, refactoring and translating your code. There is no limit to how many warriors you can spar with.
A great use for kumite is to begin an idea for a kata as one. You can collaborate with other code warriors until you have it right, then you can convert it to a kata.
different slice
def rec(pre,post,st): if pre==[]: st.add(tuple(post)) return else: i=0 while i<len(pre): rec(pre[0:i]+pre[i+1:],[pre[i]]+post,st) i+=1 return def all_permutations(lst): s=set() rec(lst,[],s) return sfrom itertools import permutationsall_permutations = lambda lst: list(permutations(lst))- def rec(pre,post,st):
- if pre==[]:
- st.add(tuple(post))
- return
- else:
- i=0
- while i<len(pre):
- rec(pre[0:i]+pre[i+1:],[pre[i]]+post,st)
- i+=1
- return
- def all_permutations(lst):
- s=set()
- rec(lst,[],s)
- return s
import codewars_test as test # TODO Write tests import solution # or from solution import example # test.assert_equals(actual, expected, [optional] message) @test.describe("Example") def test_group(): @test.it("test case") def test_case(): test.assert_equals(all_permutations([1, 2, 3]), {(1, 2, 3), (1, 3, 2), (2, 1, 3), (2, 3, 1), (3, 1, 2), (3, 2, 1)}) test.assert_equals(all_permutations([1, 2]), {(1, 2), (2, 1)}) test.assert_equals(all_permutations([1]), {(1,)}) test.assert_equals(all_permutations([]), {()}) test.assert_equals(all_permutations(['w', 'i', 'n']), {('w', 'i', 'n'), ('w', 'n', 'i'), ('i', 'w', 'n'), ('i', 'n', 'w'), ('n', 'w', 'i'), ('n', 'i', 'w')})- import codewars_test as test
- # TODO Write tests
- import solution # or from solution import example
- # test.assert_equals(actual, expected, [optional] message)
- @test.describe("Example")
- def test_group():
- @test.it("test case")
- def test_case():
test.assert_equals(all_permutations([1, 2, 3]), [(1, 2, 3), (1, 3, 2), (2, 1, 3), (2, 3, 1), (3, 1, 2), (3, 2, 1)])test.assert_equals(all_permutations([1, 2]), [(1, 2), (2, 1)])test.assert_equals(all_permutations([1]), [(1,)])test.assert_equals(all_permutations([]), [()])test.assert_equals(all_permutations(['w', 'i', 'n']), [('w', 'i', 'n'), ('w', 'n', 'i'), ('i', 'w', 'n'), ('i', 'n', 'w'), ('n', 'w', 'i'), ('n', 'i', 'w')])- test.assert_equals(all_permutations([1, 2, 3]), {(1, 2, 3), (1, 3, 2), (2, 1, 3), (2, 3, 1), (3, 1, 2), (3, 2, 1)})
- test.assert_equals(all_permutations([1, 2]), {(1, 2), (2, 1)})
- test.assert_equals(all_permutations([1]), {(1,)})
- test.assert_equals(all_permutations([]), {()})
- test.assert_equals(all_permutations(['w', 'i', 'n']), {('w', 'i', 'n'), ('w', 'n', 'i'), ('i', 'w', 'n'), ('i', 'n', 'w'), ('n', 'w', 'i'), ('n', 'i', 'w')})