1. What are the differences between lists and tuples in Python, and how does this distinction relate to Pandas operations? 2. What is a DataFrame in Pandas, and how does it differ from a Series? 3. Can you explain how to handle missing data in Pandas, including the difference between 'fillna()' and 'dropna()'? 4. Describe the process of renaming a column in a Pandas DataFrame. 5. What is the purpose of the 'groupby' function in Pandas, and provide an example of its usage? 1. Picture this: Netflix has seen a decline in the number of new subscribers from urban areas but an uptick from rural regions. Frame a strategy to leverage this trend and ensure consistent growth across both demographics. 2. Uber is contemplating launching a new service named "Uber Tours" in major tourist cities. This would be a guided tour using an Uber. Define the critical metrics you'd consider to gauge the initial success of this service. Python code for Armstrong number Prime number Palindrome