Append a Visitor to the Log

MEDIUMFile Handling8 marks

File I/O question — visitors.txt is pre-loaded for you during grading.

The file visitors.txt already has some names, one per line. Read one new name, append it to the file, then read the whole file back and output every name.

Input: One name. Output: All names in the file after appending, one per line.

Example:

Input:  Chen
Output: Ali
        Ben
        Chen

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Sample Test Cases

Test 1: Append a third name

visitors.txt

Ali
Ben

Inputs: Chen

Expected: Ali Ben Chen

Test 2: Append to a single existing name

visitors.txt

Maya

Inputs: Zara

Expected: Maya Zara