Start a new Kumite
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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.

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Add JS version, more or less like the Python version but more verbose (cuz JS)

Code
Diff
  • const palindrome = (s = '') => s.toLowerCase().split('').reverse().join('') === s.toLowerCase()
    
    • Palindrome = lambda x: x.lower() == x.lower()[::-1]
    • const palindrome = (s = '') => s.toLowerCase().split('').reverse().join('') === s.toLowerCase()
Code
Diff
  • def dividedByThree(number):
        return number and not number % 3
    • def dividedByThree(number):
    • return number != 0 and not number % 3
    • return number and not number % 3
Code
Diff
  • kata=lambda x:x[0]=='a'
    • kata=lambda x:x.startswith("a")
    • kata=lambda x:x[0]=='a'
Code
Diff
  • invert=s=>[...s].reduce((s,_)=>_+s)
    • invert=s=>[...s].reverse``.join``
    • invert=s=>[...s].reduce((s,_)=>_+s)
Code
Diff
  • def basicOp(o,x,y):ops={"+":"add","-":"sub","*":"mul","/":"truediv"};return "Invalid Operation" if o not in ops else getattr(int,"__{}__".format(ops[o]))(x,y)
    • basicOp=lambda o,v,w:v/w if o=='/'else{'+':v+w,'-':v-w,'*':v*w}[o]if o in'+-*'else"Invalid Operation"
    • # Python one-liners are turing-complete, so why would you ever use more than that?
    • def basicOp(o,x,y):ops={"+":"add","-":"sub","*":"mul","/":"truediv"};return "Invalid Operation" if o not in ops else getattr(int,"__{}__".format(ops[o]))(x,y)