Create a simple Bash script to automate basic file management operations
مراحل الوظيفة
1. **Create a directory:** Write a Bash script that creates a new directory named "my_new_directory" in the /tmp directory (or a similarly designated temporary location).
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2. **Copy a file:** Extend the script to copy a file named "example.txt" (you can create a dummy file) from your current working directory into the newly created "my_new_directory".
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3. **List directory contents:** Add to the script a command to list the contents of "my_new_directory" after the file has been copied. The output should be printed to the console.