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String and Fibonacci Coding
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String and Fibonacci Coding

EasyPython

Problem

Ellucian applications process text values and ordered numeric sequences. Implement one function that reverses a string without using string-reversal helpers and generates the first n values of the Fibonacci sequence.

Do not use slicing, reversed, or other built-in functions that directly reverse or generate the requested result. Standard control-flow operations such as len and range are allowed.

Formal Specification

Implement reverse_and_fibonacci(text, n).

  • Input: text, a string of printable ASCII characters, and n, a non-negative integer.
  • Output: A dictionary with two keys:
    • reversed: text in reverse character order.
    • fibonacci: a list containing the first n Fibonacci values, beginning with 0, 1.
  • For n = 0, return an empty Fibonacci list.
  • Repeated characters and whitespace must be preserved exactly in the reversed string.

Constraints

  • 0 <= len(text) <= 10^5
  • 0 <= n <= 10^4
  • text contains printable ASCII characters
  • Do not use slicing, reversed, or a direct string-reversal helper
  • Fibonacci values fit within Python integers

Function Signature

def reverse_and_fibonacci(text, n):
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