chore: modularized script of examples/custom_fee.py (#666)

Signed-off-by: nikhil-nari <nikhilgreyshines@gmail.com>

Author: nikhil-nari

CHANGELOG.md

@@ -20,6 +20,7 @@ This changelog is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.
 - chore: Update env.example NETWORK to encourage testnet or local usage (#659)
 - chore: fix type hint for TokenCancelAirdropTransaction pending_airdrops parameter
 - chore: Moved documentation file `common_issues.md` from `examples/sdk_developers/` to `docs/sdk_developers/` for unified documentation management (#516).
+- chore: Refactored the script of examples/custom_fee.py into modular functions 
 
 ### Fixed
 

examples/custom_fee.py

@@ -10,8 +10,9 @@
 from hiero_sdk_python.account.account_id import AccountId
 from hiero_sdk_python.tokens.token_id import TokenId
 
-def main():
-    # Create a CustomFixedFee
+
+
+def custom_fixed_fee():
     fixed_fee = CustomFixedFee(
         amount=100,
         denominating_token_id=TokenId(0, 0, 123),
@@ -23,13 +24,12 @@ def main():
     print(f"Denominating Token ID: {fixed_fee.denominating_token_id}")
     print(f"Fee Collector Account ID: {fixed_fee.fee_collector_account_id}")
     print(f"All Collectors Exempt: {fixed_fee.all_collectors_are_exempt}")
-
     # Convert to protobuf
     fixed_fee_proto = fixed_fee._to_proto()
 
     print("Fixed Fee Protobuf:", fixed_fee_proto)
 
-    # Create a CustomFractionalFee
+def custom_fractional_fee() :
     fractional_fee = CustomFractionalFee(
         numerator=1,
         denominator=10,
@@ -53,7 +53,7 @@ def main():
 
     print("Fractional Fee Protobuf:", fractional_fee_proto)
 
-    # Create a CustomRoyaltyFee
+def custom_royalty_fee():
     fallback_fee = CustomFixedFee(
         amount=50,
         denominating_token_id=TokenId(0, 0, 789),
@@ -78,5 +78,17 @@ def main():
 
     print("Royalty Fee Protobuf:", royalty_fee_proto)
 
+def custom_fee():
+    #create a CustomFixedFee
+    custom_fixed_fee()
+    #create a CustomFractionalFee
+    custom_fractional_fee()
+    #create a CustomRoyaltyFee
+    custom_royalty_fee()
+
+def main():
+    #setup a Client
+    custom_fee()
+
 if __name__ == "__main__":
     main()