Append One More Task

Two tasks are written to todo.txt in write mode and a third, read from input, is added in append mode so the first two survive. Open the file a third time for reading, loop over its lines, add 1 to number before each print, trim the newline with rstrip, and show every task as the number, a full stop, a space and the task text, one per line. Input: one line, the new task, no prompt.

Expected Output:

1. buy milk↵
2. call Sam↵
3. walk the dog↵

= newline. The output ends with a newline — print one after the last line.

Hints3 available

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