modified answers in assignment.sh

modified 3, 4, 5 answers

02_activities/assignments/assignment.sh

@@ -14,13 +14,13 @@ mkdir dir1 dir2 dir3 dir4 dir5
 ls
 
 # 3. Create 5 text files in dir2 named file1, file2, file3, file4, and file5
-touch dir2/file1 dir2/file2 dir2/file3 dir2/file4 dir2/file5
+touch dir2/file1.txt dir2/file2.txt dir2/file3.txt dir2/file4.txt dir2/file5.txt
 
 # 4. Append the words "Hello world" to dir2/file3
-echo "Hello world" >> dir2/file3
+echo "Hello world" >> dir2/file3.txt
 
 # 5. Verify that file3 contains the words "hello world" by printing the contents of the file in the terminal
-cat dir2/file3
+cat dir2/file3.txt
 
 # 6. Delete file4
 rm dir2/file4
@@ -29,4 +29,4 @@ rm dir2/file4
 rm -r dir4 dir5
 
 # 8. List the contents of the parent directory to verify the deletion of dir4 and dir5
-ls
+ls