002_Python_Functions_Built_in/028_Python_hasattr().ipynb

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    "All the IPython Notebooks in this lecture series by Dr. Milan Parmar are available @ **[GitHub](https://github.com/milaan9/04_Python_Functions/tree/main/002_Python_Functions_Built_in)**\n",
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    "# Python `hasattr()`\n",
    "\n",
    "The **`hasattr()`** method returns true if an object has the given named attribute and false if it does not.\n",
    "\n",
    "**Syntax**:\n",
    "\n",
    "```python\n",
    "hasattr(object, name)\n",
    "```\n",
    "\n",
    "**`hasattr()`** is called by **[getattr()](https://github.com/milaan9/04_Python_Functions/blob/main/002_Python_Functions_Built_in/025_Python_getattr%28%29.ipynb)** to check to see if **`AttributeError`** is to be raised or not."
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    "## `hasattr()` Parameters\n",
    "\n",
    "**`hasattr()`** method takes two parameters:\n",
    "\n",
    "* **object** - object whose named attribute is to be checked\n",
    "* **name** - name of the attribute to be searched"
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    "## Return Value from `hasattr()`\n",
    "\n",
    "**`hasattr()`** method returns:\n",
    "\n",
    "* **True**, if object has the given named attribute\n",
    "* **False**, if object has no given named attribute"
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      "Person has age?: True\n",
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    "# Example: How hasattr() works in Python?\n",
    "\n",
    "class Person:\n",
    "    age = 23\n",
    "    name = 'Adam'\n",
    "\n",
    "person = Person()\n",
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    "print('Person has age?:', hasattr(person, 'age'))\n",
    "print('Person has salary?:', hasattr(person, 'salary'))"
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