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Commit 5ea1184

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finish one 5kyu,one 6kyu and one beta
1 parent b9d61f9 commit 5ea1184

7 files changed

+71
-10
lines changed

β€Ž[5 kyu]RGB To Hex Conversion.py

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def rgb(r, g, b):
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r,g,b = [element if element <= 255 else 255 for element in (r,g,b)]
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r,g,b = [element if element >= 0 else 0 for element in (r,g,b)]
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return ''.join([hex(element)[2:].upper().zfill(2) for element in (r,g,b)])
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print(rgb(255,255,300))
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print(rgb(1,2,3))
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print(rgb(0,0,0))
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def regressionLine(x, y):
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sumSquareX = sum([n**2 for n in x])
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sumSquareY = sum([n**2 for n in y])
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sumX = sum(x)
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sumY = sum(y)
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sumXY = sum([X*Y for X,Y in zip(x,y)])
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a = ((sumSquareX*sumY) - (sumX*sumXY)) / float(((len(x) * sumSquareX) - sumX**2))
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b = ((len(x)*sumXY) - (sumX*sumY)) / float(((len(x)*sumSquareX) - sumX**2))
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a = round(a,4)
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b = round(b,4)
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return a,b
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print(regressionLine([25,30,35,40,45,50], [78,70,65,58,48,42]))
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#(114.381, -1.4457)
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#a = [(Ξ£x2)(Ξ£y) - (Ξ£x)(Ξ£xy)] / [n(Ξ£x2) - (Ξ£x)2]
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#b = [n(Ξ£xy) - (Ξ£x)(Ξ£y)] / [n(Ξ£x2) - (Ξ£x)2]

β€Ž[beta]Mysterious function.py

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def get_num(n):
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return sum([2 if c == '8' else 1 for c in str(n) if c in ('0','6','8','9')])
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print(get_num(300))

β€Ž[leetcode]Add Binary

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class Solution:
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# @param {string} a
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# @param {string} b
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# @return {string}
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def addBinary(self, a, b):
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β€Ž[leetcode]Add Binary.py

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class Solution:
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# @param {string} a
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# @param {string} b
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# @return {string}
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def addBinary(self, a, b):
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def binToDecimal(string):
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return sum([int(n) * (2**i) for i,n in enumerate(reversed(string),0)])
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return bin(binToDecimal(a) + binToDecimal(b))[2:]
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test = Solution()
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print(test.addBinary('1','11'))
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class Solution:
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# @param {integer} n
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# @return {string}
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def convertToTitle(self, n):
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times = 0
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res = []
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while n >= 27:
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res.append(n % 27)
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n %= 27
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times += 1
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if times == 10000:
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break
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res.append(n)
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return res
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test = Solution()
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for i in range(24,30):
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print(test.convertToTitle(i))

β€Žtest.py

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def substract7(n):
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res = [n]
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while n > 0:
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x = input('press cotinues')
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n -= 7
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print(n)
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print(substract7(200))
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b = 3
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if True:
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print('a')
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print('a')
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print('a')
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print('a')
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