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Issue description

In the Guided Exercise: Implementing Handlers, within the configure_webapp.yml playbook, the variable names used for configuration file paths are inconsistent.

The variable web_config_src uses the src: keyword, which aligns well and is easy to understand. However, the corresponding destination variable is named web_config_dst, which is inconsistent with the commonly used dest: keyword in Ansible.

it would be nice if you used consistent abbreviations.

Steps to reproduce:

Workaround:

Expected result: