Not sure if I can call this as `wat`, but this one puzzled me at first:<p><pre><code>    foo = 1.0 + 2 # Foo is now 3.0
    foo = 1,0 + 2 # Foo is now a tuple: (1,2)
    foo = 3 # Foo is now 3
    foo = 3, # Foo is now a tuple: (3,)
</code></pre>
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