Ans- To merge the `feature` branch into the main branch using Git, follow these steps:

1. Ensure that you are currently on the main branch. You can verify this by running the command `git branch`. The main branch should be highlighted with an asterisk (`*`).

If you are not on the main branch, switch to it using the command `git checkout main`.

2. Run the command `git merge feature` to merge the changes from the `feature` branch into the main branch. Replace `feature` with the name of the branch you want to merge.

For example:

$ git merge feature

3. Git will attempt to automatically merge the changes. If there are no conflicts, Git will create a new merge commit and complete the merge. The commit message will typically indicate that it's a merge commit and mention the branch name being merged.

4. If there are conflicts between the main branch and the feature branch, Git will pause the merge process and prompt you to resolve the conflicts manually. You'll need to edit the conflicting files to resolve the conflicts, save the changes, and then commit the merge using `git commit`. Consult the Git documentation or seek assistance on resolving merge conflicts if needed.

5. Once the merge is complete and any conflicts are resolved, the changes from the feature branch will be incorporated into the main branch.

Remember to push the merged changes to the remote repository using `git push` to make the merged branch available to others.

Here's an example of the commands:

$ git branch
feature
* main
$ git merge feature
Updating 21bc624..b6c27d2
Fast-forward
index.html | 10 +++++++++-
styles.css | 5 ++++-
2 files changed, 13 insertions(+), 2 deletions(-)

In this example, the main branch is currently checked out. We run `git merge feature` to merge the changes from the `feature` branch into the main branch. Git performs a fast-forward merge since there are no conflicts. The output confirms the files that were changed and inserted during the merge.

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