In this episode of Ask SME Anything: 
1. Why are there so many different programming languages? 2:33
2. When would you use a for loop versus a while loop? 13:36
3. When would a function use return instead of just printing? 18:07
4. In bash, what is the difference between ";" and "&&" separating subsequent commands? 23:06

In this episode of Ask SME Anything: 1. Why are there so many different programming languages? 2:33 2. When would you use a for loop versus a while loop? 13:36 3. When would a function use return instead of just printing? 18:07 4. In bash, what is the difference between ";" and "&&" separating subsequent commands? 23:06

In this episode of Ask SME Anything: 
1. Why are there so many different programming languages? 2:33
2. When would you use a for loop versus a while loop? 13:36
3. When would a function use return instead of just printing? 18:07
4. In bash, what is the difference between ";" and "&amp;&amp;" separating subsequent commands? 23:06

When would a function use return instead of just printing?

Are you stumped by an IT question? Get answers during 'askSMEanything' - the show from ITProTV where IT pros have live office hours to answer your questions submitted on Twitter. Watch live on ITProTV when you join as a free member (no credit card required) - https://itpro.tv/plans/free-signup/. Each segment features one of 10 subject matter experts. You can submit questions via Twitter with the hashtag: #askSMEanything

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When would a function use return instead of just printing?

When would a function use return instead of just printing?