Update Linear_Search.py

Author: zhuj05

Searching/Linear_Search.py

@@ -4,11 +4,11 @@ def linear_search(arr,target):
             return i
     return -1
 
-
-arr=[1,7,13,15,20,50]
-target=15
-result=linear_search(arr,target)
-if result!=-1:
-    print(f"Element at index {result}")
-else:
-    print("Element not found.")
+if __name__=="__main__":
+    arr=[1,7,13,15,20,50]
+    target=7
+    result=linear_search(arr,target)
+    if result!=-1:
+        print(f"Element at index {result}")
+    else:
+        print("Element not found.")