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yığıt ile desimalden fibonacciye dönüşüm. (2014 final soru 3)
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| class Stack: | |
| def __init__(self): | |
| self.alist=[] | |
| def pop(self): | |
| return self.alist.pop() | |
| def push(self,a): | |
| self.alist.append(a) | |
| def show(self): | |
| return self.alist | |
| def peek(self): | |
| return self.alist[len(self.alist)-1] | |
| def isempty(self): | |
| return len(self.alist)==0 | |
| def size(self): | |
| return len(self.alist) | |
| s=Stack() | |
| def dec2fib(sayi): | |
| s.push(1) | |
| s.push(1) | |
| if sayi==1 or sayi==2: | |
| return 1 | |
| for i in range(sayi-2): | |
| a=s.pop() | |
| b=s.peek() | |
| s.push(a) | |
| s.push(a+b) | |
| return s.pop() | |
| print (dec2fib(7)) |
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