Create Fibonacci Search.py

Searching algorithms/Fibonacci Search.py

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+from bisect import bisect_left
+
+def fibMonaccianSearch(arr, x, n): 
+
+	fibMMm2 = 0 
+	fibMMm1 = 1 
+	fibM = fibMMm2 + fibMMm1 
+
+	while (fibM < n): 
+		fibMMm2 = fibMMm1 
+		fibMMm1 = fibM 
+		fibM = fibMMm2 + fibMMm1 
+
+	offset = -1
+
+	while (fibM > 1): 
+
+		i = min(offset+fibMMm2, n-1) 
+
+ 
+		if (arr[i] < x): 
+			fibM = fibMMm1 
+			fibMMm1 = fibMMm2 
+			fibMMm2 = fibM - fibMMm1 
+			offset = i 
+
+
+		elif (arr[i] > x): 
+			fibM = fibMMm2 
+			fibMMm1 = fibMMm1 - fibMMm2 
+			fibMMm2 = fibM - fibMMm1 
+
+		else: 
+			return i 
+
+	if(fibMMm1 and arr[n-1] == x): 
+		return n-1
+
+	return -1
+
+
+arr = list(map(int,input("Enter the array elements: ").split())) 
+n = len(arr) 
+x = int(input("enter the number to search: "))
+ind = fibMonaccianSearch(arr, x, n) 
+if ind>=0: 
+    print("Found at index:",ind) 
+else: 
+    print(x,"isn't present in the array");