Question 11 3 pts Which of the following is not true about numpy and pandas? pandas is built on numpy. pandas focuses on higher-level functionality than numpy. pandas is designed for 2d data. All of the others are true. Question 12 3 pts Which of the following is true about dictionaries? o Keys can only be int or string values. Keys can only be immutable types. All of the others are false. Keys can be looked up using an index