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                # Python 程序:使用遞歸顯示斐波那契數列 > 原文: [https://www.programiz.com/python-programming/examples/fibonacci-recursion](https://www.programiz.com/python-programming/examples/fibonacci-recursion) #### 在此程序中,您將學習使用遞歸函數顯示斐波那契數列。 要理解此示例,您應該了解以下 [Python 編程](/python-programming "Python tutorial")主題: * [Python `for`循環](/python-programming/for-loop) * [Python 函數](/python-programming/function) * [Python 遞歸](/python-programming/recursion) * * * 斐波那契數列是 0、1、1、2、3、5、8 ...的整數序列。 前兩項是 0 和 1。所有其他項都是通過將前兩項相加而獲得的。這意味著第 n 個項是第(`n-1`)項和第(`n-2`)項的總和。 * * * ## 源代碼 ```py # Python program to display the Fibonacci sequence def recur_fibo(n): if n <= 1: return n else: return(recur_fibo(n-1) + recur_fibo(n-2)) nterms = 10 # check if the number of terms is valid if nterms <= 0: print("Plese enter a positive integer") else: print("Fibonacci sequence:") for i in range(nterms): print(recur_fibo(i)) ``` **輸出** ```py Fibonacci sequence: 0 1 1 2 3 5 8 13 21 34 ``` **注意**:要測試程序,請更改`nterms`的值。 在此程序中,我們將要顯示的術語數存儲在`nterms`中。 遞歸函數`recur_fibo()`用于計算序列的第 n 個項。 我們使用`for`循環來迭代并遞歸計算每個項。 請訪問此處以了解有關 Python 中[遞歸的更多信息](/python-programming/recursion "Python recursion")。
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