(Python Tutorials for Citizen Data Scientist)
Python Program to Display Fibonacci Sequence Using Recursion
In this program, you’ll learn to display Fibonacci sequence using a recursive function.
A Fibonacci sequence is the integer sequence of 0, 1, 1, 2, 3, 5, 8….
The first two terms are 0 and 1. All other terms are obtained by adding the preceding two terms.This means to say the nth term is the sum of (n-1)th and (n-2)th term.
Source Code
# 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))
Fibonacci sequence: 0 1 1 2 3 5 8 13 21 34
Note: To test the program, change the value of nterms.
In this program, we store the number of terms to be displayed in nterms.
A recursive function recur_fibo() is used to calculate the nth term of the sequence. We use a for loop to iterate and calculate each term recursively.
Python Examples for Beginners: Python Code to Print the Fibonacci sequence
Python Examples for Beginners: Python Code to Display Fibonacci Sequence Using Recursion
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