feat: added transaction lifecycle guide to documentation

[CynthiaFotso]

Description

This PR adds a beginner-friendly documentation page explaining the transaction lifecycle in the Python SDK.

Linked Issue

Fixes #864: Create docs/sdk_developers/training/transaction_lifecycle.md

Checklist

• Created docs/sdk_developers/training/transaction_lifecycle.md

• Overview of the transaction flow (construct → freeze → sign → execute → check receipt)

• Detailed explanation of each step, including why the order matters

• Code examples using both Pythonic and method chaining syntax

• A simple flow diagram

• Common pitfalls and best practices

• Referenced existing examples like examples/token_grant_kyc.py and examples/token_associate.py

[exploreriii]

Wow ! excellent work!
we have one issue - we don't yet have a get receipt method in the python sdk

currently executing it will also get you a receipt

[exploreriii]

Hi @CynthiaFotso please rebase to pull in main's changes, we applied a fix that was blocking our tests.

[exploreriii]

Hi @CynthiaFotso please do let us know if we can be of assistance

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[nadineloepfe]

Hi @CynthiaFotso ,
Are you still working on this?
Thank you

[CynthiaFotso]

Hi @nadineloepfe
Yes I am.
I am sorry for the delay, I had exams going on in school.
I had planned to complete this today.

[Copilot]

Pull request overview

This PR adds comprehensive beginner-friendly documentation explaining the transaction lifecycle in the Hedera Python SDK. The guide covers the essential five-step flow (construct → freeze → sign → execute → check receipt) with detailed explanations, code examples in both Pythonic and method chaining styles, and common pitfalls to avoid.

Key Changes

• Created docs/sdk_developers/training/transaction_lifecycle.md with complete transaction lifecycle documentation
• Added entry to CHANGELOG.md documenting the new training guide
• Includes practical code examples, flow diagrams, and ResponseCode failure examples

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 3 comments.

File	Description
docs/sdk_developers/training/transaction_lifecycle.md	New comprehensive guide explaining transaction lifecycle with step-by-step walkthrough, code examples, common pitfalls, and best practices
CHANGELOG.md	Added changelog entry documenting the new transaction lifecycle training guide

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[CynthiaFotso]

@exploreriii
As promised, there you go.
Kindly have a look and let me know if there are some modifications to be done.

[exploreriii]

Hi @CynthiaFotso thank you so much, could you take a look to update the copilot feedback please?

[CynthiaFotso]

Hi @CynthiaFotso thank you so much, could you take a look to update the copilot feedback please?

Yes I did and I have already addressed those changes.

[exploreriii]

Excellent contribution - really incredible work!

I would like to merge this

We have a new release, 0.1.10
This means your changelog entry is outdated

Please pull in recent changes and rebase
and move this:

• Added docs/sdk_developers/training/transaction_lifecycle.md to explain the typical lifecycle of executing a transaction using the Hedera Python SDK.
  rouhgly to line 11 or so

[CynthiaFotso]

@exploreriii
It is done !