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livia salgado4,407 Points
at minute 1.24 Kenneth says So we want to safely make an int, because right now we're not doing that. What do you mean?
on the video at 1 minute 24 seconds Kenneth says safely make an int, i really don't know what that means, thanks!
Alex KoumparosPython Development Techdegree Student 36,886 Points
Whenever you do a type conversion from string to int there is a risk that the string value is something that can't be converted to a int (e.g., '
hello'). Without error handling code this would cause the program to crash. Because of the risk of crashing, this kind of type conversion is described as 'unsafe'.
By wrapping this unsafe operation in a try block which means we can handle the cases when an invalid value gets passed to the type conversion, we take away that crash risk and so make the 'unsafe' behaviour 'safe'.
Hope that clears it up.