Added 2 functions for finding Fibonacci numbers

Algorithms.py

@@ -147,3 +147,42 @@ def getDivisors(goalNumber: int) -> list:
 	divisors.sort()
 	#Return the list
 	return divisors
+
+#This function returns the numth Fibonacci number
+def getFib(goalSubscript: int) -> int:
+	#Setup the variables
+	fibNums = [1, 1, 0]	#A list to keep track of the Fibonacci numbers. It need only be 3 long because we only need the one we are working on and the last 2
+
+	#If the number is <= 0 return 0
+	if(goalSubscript <= 0):
+		return 0
+
+	#Loop through the list, generating Fibonacci numbers until it finds the correct subscript
+	fibLoc = 2
+	while(fibLoc < goalSubscript):
+		fibNums[fibLoc % 3] = fibNums[(fibLoc - 1) % 3] + fibNums[(fibLoc - 2) % 3]
+		fibLoc += 1
+
+	#Return the propper number. The location counter is 1 off of the subscript
+	return fibNums[(fibLoc - 1) % 3]
+
+#This function returns a list of all Fibonacci numbers <= num
+def getAllFib(goalNumber: int) -> list:
+	#Setup the variables
+	fibNums = []	#A list to save the Fibonacci numbers
+
+	#If the number is <= 0 return an empty list
+	if(goalNumber <= 0):
+		return fibNums
+
+	#This means that at least 2 1's are elements
+	fibNums.append(1)
+	fibNums.append(1)
+
+	#Loop to generate the rest of the Fibonacci numbers
+	while(fibNums[len(fibNums) - 1] <= goalNumber):
+		fibNums.append(fibNums[len(fibNums) - 2] + fibNums[len(fibNums) - 3])
+
+	#At this point the most recent number is > goalNumber, so remove it
+	fibNums.pop()
+	return fibNums