Update linear_search.py (TheAlgorithms#1906)

Author: Prince326

searches/linear_search.py

@@ -45,6 +45,6 @@ def linear_search(sequence, target):
     target = int(target_input)
     result = linear_search(sequence, target)
     if result is not None:
-        print(f"{target} found at positions: {result}")
+        print(f"{target} found at position : {result}")
     else:
         print("Not found")