One of the exercises asks you to use str() to convert a number into a string. Wouldn't " " accomplish the same thing? If not, why wouldn't the " " approach work?
str() is useful when you work with the variables, take a look:
x = 8 str(x) # => "8" "x" # => "x"
We would not write literals since they are not dynamic. The
str() method takes variable data and acts upon it. This is the typical data flowing into and out of a program.
number = 42 numstr = str(number)
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