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6.F. While: Fibonacci numbers
pole55

Fibonacci numbers are the numbers in the integer sequence starting with 1, 1 where every number after the first two is the sum of the two preceding ones:

1, 1, 2, 3, 5, 8, 13, 21, 34, ...

Given a positive integer n, print the nth Fibonacci number.

Example input
6

Example output
8

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What does it mean "lst.append"?!
pleasee