Step 1: Create a Dictionary D4 which use sequence 3,6,9,12,,30 as keys, and sequence 9,36,81,144,900 as values. Requirement: 1. Use range() method to create key List 2. Use List comprehension to create value List ]: []: []: Step 2: Add a new element (0,0) to Dictionary D4 ]: Step 3: Drop element (9,81) from Dictionary D4