Data Cleaning With Python, Data Analysis, Dataframes Python, Marketing Analytics.
operating system column where values lie as follows: operating_system column is: ‘Microsoft’, ‘MacOS’, ‘IOS’, ‘Android’, ‘Linux’ operating_system column should become: ‘DesktopOS’, ‘MobileOS’ # Create mapping dictionary and replace mapping = {'Microsoft':'DesktopOS', 'MacOS':'DesktopOS',