Added type hints for maths/fibonacci_sequence_recursion. (TheAlgorithms#2372)

Author: frangiz

maths/fibonacci_sequence_recursion.py

@@ -1,15 +1,15 @@
 # Fibonacci Sequence Using Recursion
 
 
-def recur_fibo(n):
+def recur_fibo(n: int) -> int:
     """
     >>> [recur_fibo(i) for i in range(12)]
     [0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89]
     """
     return n if n <= 1 else recur_fibo(n - 1) + recur_fibo(n - 2)
 
 
-def main():
+def main() -> None:
     limit = int(input("How many terms to include in fibonacci series: "))
     if limit > 0:
         print(f"The first {limit} terms of the fibonacci series are as follows:")