addded file linear-array-finder using python programs

L/linear-array-finder/linear-array-finder.py

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+
+
+# Searching an element in a list/array in python
+# can be simply done using \'in\' operator
+# Example:
+# if x in arr:
+#   print arr.index(x)
+
+# If you want to implement Linear Search in python
+
+# Linearly search x in arr[]
+# If x is present then return its location
+# else return -1
+
+def search(arr, x):
+
+    for i in range(len(arr)):
+
+        if arr[i] == x:
+            return i
+
+    return -1