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# Python3.x Python Fibonacci Sequence [ Python3 Examples](#) The Fibonacci sequence is a series of numbers: 0, 1, 1, 2, 3, 5, 8, 13, ... It is specifically noted that the 0th term is 0, and the 1st term is the first 1. Starting from the third term, each term is the sum of the two preceding terms. The Python implementation of the Fibonacci sequence is as follows: ## Example (Python 3.0+) # -*- coding: UTF-8 -*-# Filename : test.py# author by : www..com# Python Fibonacci sequence implementation# Get user input data nterms = int(input("How many terms do you need? "))# First and second terms n1 = 0 n2 = 1 count = 2# Check if the input value is valid if nterms<= 0: print("Please enter a positive integer.")elif nterms == 1: print("Fibonacci sequence:")print(n1)else: print("Fibonacci sequence:")print(n1,",",n2,end=" , ")while count<nterms: nth = n1 + n2 print(nth,end=" , ")# Update values n1 = n2 n2 = nth count += 1 Executing the above code produces the following output: How many terms do you need? 10Fibonacci sequence:0 , 1 , 1 , 2 , 3 , 5 , 8 , 13 , 21 , 34 , [ Python3 Examples](#)