从列表列表中删除列表项

my_list = [1, 2, 3, 4, 5]
my_list.remove(3)
print(my_list)  # 输出 [1, 2, 4, 5]

ArrayList<Integer> myList = new ArrayList<Integer>();
myList.add(1);
myList.add(2);
myList.add(3);
myList.remove(Integer.valueOf(2));
System.out.println(myList);  // 输出 [1, 3]

#include <iostream>
#include <vector>
using namespace std;

int main() {
    vector<int> myVector = {1, 2, 3, 4, 5};
    myVector.erase(myVector.begin() + 2);
    for (int num : myVector) {
        cout << num << " ";
    }
    // 输出 1 2 4 5
    return 0;
}