docs: enhance FeeAssessmentMethod enum docstring

CHANGELOG.md

@@ -1,4 +1,4 @@
-# Changelog
+# Changelog
 
 All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](https://semver.org).
@@ -7,6 +7,7 @@ This changelog is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.
 ## [Unreleased]
 
 ### Added
+- Added comprehensive docstring to `FeeAssessmentMethod` enum explaining inclusive vs exclusive fee assessment methods. (#1391)
 - Added comprehensive training documentation for the `Query` class, covering execution flow, payments, retries, and building child queries. (#1238)
 - Beginner issue documentation and updated GFI and GFIC templates and documentation
 - Enable auto assignment to good first issues (#1312), archived good first issue support team notification. Changed templates with new assign instruction.

src/hiero_sdk_python/tokens/fee_assessment_method.py

@@ -2,7 +2,17 @@
 
 class FeeAssessmentMethod(Enum):
     """
-    Represents the fee assessment method for custom fees.
+    Fee assessment method for custom token fees:
+
+• INCLUSIVE - Fee is deducted from the transferred amount.
+                  The recipient receives the transferred amount minus the fee.
+
+      • EXCLUSIVE - Fee is charged in addition to the transferred amount.
+                     The recipient receives the full transferred amount, and the payer
+                     pays the fee on top of that.
+
+    This determines whether custom fees are taken from the transaction amount
+    or charged separately.
     """
 
     INCLUSIVE = 0