diff --git a/guide/english/python/bool-function/index.md b/guide/english/python/bool-function/index.md
index 0fa7843101..afe4357b25 100644
--- a/guide/english/python/bool-function/index.md
+++ b/guide/english/python/bool-function/index.md
@@ -50,6 +50,7 @@ There are three Boolean Operators they are `and`, `or`, and `not`.
     print(bool(-4)) # Returns True as -4 is a non-zero value
     print(bool(0)) # Returns False as it is a zero value
     print(bool('dskl')) # Returns True as the string is a non-zero value
+    print(bool('')) # Returns False as the string is a zero value
     print(bool([1, 2, 3])) # Returns True as the list is a non-zero value
     print(bool((2,3,4))) # Returns True as tuple is a non-zero value
     print(bool([])) # Returns False as list is empty and equal to 0 according to truth value testing