Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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The Fibonacci sequence is a famous sequence in mathematics. The first element in the sequence is 0 and the second element
is 1. The nth element is defined as Fn = Fn-1 + Fn-2-
Implement the fib function, which takes an integer n and returns the n th Fibonacci number. Use a while loop in your
solution.
def fib(n):
"""Returns the nth Fibonacci number.
>>> fib (0)
0
>>> fib (1)
1
>>> fib(2)
1
>>> fib(3)
2
>>> fib(4)
3
>>> fib(5)
5
>>> fib(6)
8
>>> fib (100)
354224848179261915075
"*** YOUR CODE HERE ***"
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Transcribed Image Text:The Fibonacci sequence is a famous sequence in mathematics. The first element in the sequence is 0 and the second element is 1. The nth element is defined as Fn = Fn-1 + Fn-2- Implement the fib function, which takes an integer n and returns the n th Fibonacci number. Use a while loop in your solution. def fib(n): """Returns the nth Fibonacci number. >>> fib (0) 0 >>> fib (1) 1 >>> fib(2) 1 >>> fib(3) 2 >>> fib(4) 3 >>> fib(5) 5 >>> fib(6) 8 >>> fib (100) 354224848179261915075 "*** YOUR CODE HERE ***"
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