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Modify keys/values in dict, use get()

We have seen how to create and access values within a dictionary, so the next step is to look at modifying the values within a dictionary. Remember that to access the values within a dictionary, we use the associated key.

This exercise is part of the course

Intermediate Julia

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Exercise instructions

  • Change the price to 132.55.
  • Change the volume to 70000000
  • Use the get() keyword to print the new price() value to the console, setting the default argument for get() to Unknown key.

Hands-on interactive exercise

Have a go at this exercise by completing this sample code.

apple_stock_data = Dict{String, Float64}("price" => 131.86, "prev_close" => 131.99, "volume" => 55000000)

# Change the price and volume values
apple_stock_data____ = ____
apple_stock_data____ = ____

# Use get() to get the price key in apple_stock_data
println(____(____, ____, ____))
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