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In Projects, you can keep track of your progress as you go throught the tasks. Check each item as you complete it!
Remember, there are always many ways of accomplishing something in Ruby. Converting strings to symbols is no different!
Besides using .to_sym, you can also use .intern. This will internalize the string into a symbol and works just like .to_sym:
"hello".intern
# ==> :hello
When you're looking at someone else's code, you might see .to_sym or .intern (or both!) when converting strings to symbols.