def delete_task (..., ...): param: task_collection (list) - holds all tasks; an integer ID indexes each task (stored as a dictionary) param:... (str) - a string that is supposed to represent an integer ID that indexes the task in the list returns: 0 - if the collection is empty. -1 - if the provided parameter is not a string or if it is not a string that contains a valid integer >=0 representing the task's position on the list. Otherwise, returns the item (dict) that was removed from the provided collection. 11 11 11

Computer Science JAVA #7 - program that reads the file named randomPeople.txt sort all the names alphabetically by last name write all the unique names to a file named namesList.txt , there should be no repeats

Unique Values This function will receive a single map parameter known as a_map. a_map will contain a single letter as a string and numbers as values. This function is supposed to search a_map to find all values that appear only once in a_map. The function will create another map named to_ret. For all values that appear once in a_map the function will add the value as a key in to_ret and set the value of the key to the key of the value in a_map (swap the key-value pairs, since a_map contains letters to numbers, to_ret will contain Numbers to Letters). Finally, the function should return to_ret. Signature: public static HashMap<String, Integer> uniqueValues(HashMap<Integer, String> a_map) Example: INPUT: {0=M, 2=M, 3=M, 5=M, 6=n, 7=M, 9=M}OUTPUT: {n=6} INPUT: {0=A, 1=c, 2=c, 4=c, 5=a, 8=Q, 9=c}OUTPUT: {A=0, a=5, Q=8}

please help