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
Exercise instructions
- Change the
price
to132.55
. - Change the
volume
to70000000
- Use the
get()
keyword to print the newprice()
value to the console, setting the default argument forget()
toUnknown 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(____(____, ____, ____))