I cant seem to solve this challenge. Please help! [Error ] Task 1. Expected: append 'current_user' to ~/workspace/project-log/changelog.txt file. Try again.

3. 2. Challenge Content concatenation Evaluate your content concatenation skills by completing the following tasks 1. Append the current user to the /workspace/project- Log/changelog.txt file Changelog Version: 1.0 username: current user 2. Append the ~/workspace/project- Log/file-list.txt file content to the /workspace/project- Log/changelog.txt file Changelog Version: 1.0 username: current_user hello.txt hi.txt project-log TIP: Use the tab autocompletion shortcut Once you have completed these tasks press the Check It button to have your solution assessed Check It 3. 2. Challenge Content concatenation Evaluate your content concatenation skills by completing the following tasks 1. Append the current user to the /workspace/project- Log/changelog.txt file Changelog Version: 1.0 username: current user 2. Append the ~/workspace/project- Log/file-list.txt file content to the /workspace/project- Log/changelog.txt file Changelog Version: 1.0 username: current_user hello.txt hi.txt project-log TIP: Use the tab autocompletion shortcut Once you have completed these tasks press the Check It button to have your solution assessed Check It