diff --git a/lambda/example_lambda_map.py b/lambda/example_lambda_map.py
new file mode 100644
index 0000000..4ad2766
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+++ b/lambda/example_lambda_map.py
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+## RETURN THE 'EVEN' IF STRING IS EVEN OTHERWISE RETURN FIRST LETTER OF A STRING
+
+# SLICER FUNCTION DEFINE
+def slicer(mystring):
+# FIND THE LENGTH OF MYSTRING VARIABLE    
+    if len(mystring)%2 == 0:
+# IF THE LENGTH OF MYSTRING IS EVEN IT RETURNS EVEN       
+        return 'even'
+    else:
+# OTHERWISE RETURNS THE FIRST LETTER OF THE STRING        
+        return mystring[0]        
+names = ['adam','eve','sla','rock','rio']
+# HERE WE PRINT WITH THE MAP AND IN LIST FORMAT
+print(list(map(slicer,names)))
+
+## HOW TO RUN 
+
+# python: example_lambda_map.py
+# ['even', 'e', 's', 'even', 'r']