diff --git a/12_Day_Modules/12_modules.md b/12_Day_Modules/12_modules.md
index 07508a88b..4e188a3b5 100644
--- a/12_Day_Modules/12_modules.md
+++ b/12_Day_Modules/12_modules.md
@@ -163,7 +163,7 @@ The statistics module provides functions for mathematical statistics of numeric
 
 ```py
 from statistics import * # importing all the statistics modules
-ages = [20, 20, 4, 24, 25, 22, 26, 20, 23, 22, 26]
+ages = [20, 20, 24, 24, 25, 22, 26, 20, 23, 22, 26]
 print(mean(ages))       # ~22.9
 print(median(ages))     # 23
 print(mode(ages))       # 20