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Commit b9d61f9

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finish three 6kyu , one beta
1 parent 24e1a27 commit b9d61f9

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4 files changed

+67
-0
lines changed

4 files changed

+67
-0
lines changed

β€Ž[6 kyu]Custom Array Filters.py

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class list(object):
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def __init__(self, arg):
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self.arg = [c for c in arg if isinstance(c,int)]
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def even(self):
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return [n for n in self.arg if n % 2 == 0]
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def odd(self):
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return [n for n in self.arg if n % 2 != 0]
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def under(self,num):
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return [n for n in self.arg if n < num]
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def over(self,num):
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return [n for n in self.arg if n > num]
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def in_range(self,min,max):
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return [n for n in self.arg if n >= min and n <= max]

β€Ž[6 kyu]Secret Message.py

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def find_secret_message(paragraph):
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paragraph = ''.join([c for c in paragraph.lower() if c in 'abcdefghijklmnopqrstuvwxyz -'])
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appear,res = [],[]
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for word in paragraph.split():
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if word not in appear:
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appear.append(word)
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elif word not in res:
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res.append(word)
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return ' '.join(res)
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print(find_secret_message('asdf qwer zxcv. zxcv fdsa rewq. qazw asdf sxed. qwer crfv.'))

β€Ž[6 kyu]Unary function chainer.py

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def chained(f):
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z = lambda x:x
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for func in f:
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func(z)
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return z
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def f1(x): return x*2
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def f2(x): return x+2
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def f3(x): return x**2
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def f4(x): return x.split()
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def f5(xs): return [x[::-1].title() for x in xs]
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def f6(xs): return "_".join(xs)
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print(chained([f1,f2,f3])(0)) #4
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β€Ž[beta]Vasya - Clerk.py

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def tickets(people):
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cashier = {100:0,50:0,25:0}
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for pay in people:
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if pay == 25:
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cashier[25] += 1
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elif pay == 50:
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if cashier[25] == 0:
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return 'NO'
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cashier[50] += 1
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cashier[25] -= 1
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else:
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cashier[100] += 1
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if cashier[50] >= 1 and cashier[25] >= 1:
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cashier[50] -= 1
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cashier[25] -= 1
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elif cashier[25] >= 3:
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cashier[25] -= 3
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else:
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return 'NO'
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return 'YES'
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print(tickets([25,25,25,100,25,50]))

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