[Python] Understanding repr( ) function in Python

repr(): evaluatable string representation of an object (can eval() it, meaning it is a string representation that evaluates to a Python object)

In other words:

>>> x = 'foo'
>>> repr(x)
"'foo'"


Questions:

1. Why do I get the double quotes when I do repr(x)? (I don't get them when I do str(x))
2. Why do I get 'foo' when I do eval("'foo'") and not x which is the object?

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