How do u answer questions on if ur on the app and on a phone. For me there is no answer button :(

Write a loop that prints each country's population in country_pop. sample output for the given program with input 'china: 1365830000,india: 1247220000,united states: 318463000,indonesia: 252164800': united states has 318463000 people. india has 1247220000 people. indonesia has 252164800 people. china has 1365830000 people.

In which phase does software coding and testing happen in the spiral model? the spiral model does not have a separate testing phase. both, software coding and testing occurs during the phase.

Need ! will choose brainliest! discuss the role of abstraction in the history of computer software.