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    "# 4. Data Types\n",
    "\n",
    "Every value has a type, and the built-in `type` function returns the type of the result of any expression."
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    "One type we have encountered already is a built-in function. Python indicates that the type is a `builtin_function_or_method`; the distinction between a *function* and a *method* is not important at this stage."
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   "source": [
    "type(abs)"
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   "source": [
    "This chapter will explore many useful types of data."
   ]
  }
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