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diff --git a/q01_longest_even_word/build.py b/q01_longest_even_word/build.py
index 0685739..2cfb52a 100644
--- a/q01_longest_even_word/build.py
+++ b/q01_longest_even_word/build.py
@@ -1,9 +1,30 @@
+# %load q01_longest_even_word/build.py
 # Default imports
 
 import re
 
-
 # Write your solution here :
 def q01_longest_even_word(sentence):
+    #splitting string at space and create new list of splitted element
+    elment_list = sentence.split()
+    
+    # list of element whose length is even
+    even_list =  list(filter(lambda x: len(x)%2 == 0, elment_list))
     
+    if even_list == []: # checking list is empty or not
+        return 0
     
+    length = 0 # for storing max value
+    name = ''  # storing element which length is greatest in even_list
+    for el in even_list:
+        if length < len(el):
+            length = len(el)
+            name = el
+            
+    return name # returning name whose ha
+sentence = 'One great way to make predictions about an unfamiliar nonfiction text is to take a walk through the book before reading.'
+q01_longest_even_word(sentence)
+
+ 
+
+
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