Python 3.13.6 (tags/v3.13.6:4e66535, Aug  6 2025, 14:36:00) [MSC v.1944 64 bit (AMD64)] on win32
Enter "help" below or click "Help" above for more information.
l1 = [1, 'hello']
l1
[1, 'hello']
l1[0] = 89
l1
[89, 'hello']
id(l1)
2196998480832
l1[0] = 102
id(l1)
2196998480832
dir(l1)
['__add__', '__class__', '__class_getitem__', '__contains__', '__delattr__', '__delitem__', '__dir__', '__doc__', '__eq__', '__format__', '__ge__', '__getattribute__', '__getitem__', '__getstate__', '__gt__', '__hash__', '__iadd__', '__imul__', '__init__', '__init_subclass__', '__iter__', '__le__', '__len__', '__lt__', '__mul__', '__ne__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__reversed__', '__rmul__', '__setattr__', '__setitem__', '__sizeof__', '__str__', '__subclasshook__', 'append', 'clear', 'copy', 'count', 'extend', 'index', 'insert', 'pop', 'remove', 'reverse', 'sort']
t1 = (1,2,3)
id(t1)
2197043244288
t1[0]
1
dir(t1)
['__add__', '__class__', '__class_getitem__', '__contains__', '__delattr__', '__dir__', '__doc__', '__eq__', '__format__', '__ge__', '__getattribute__', '__getitem__', '__getnewargs__', '__getstate__', '__gt__', '__hash__', '__init__', '__init_subclass__', '__iter__', '__le__', '__len__', '__lt__', '__mul__', '__ne__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__rmul__', '__setattr__', '__sizeof__', '__str__', '__subclasshook__', 'count', 'index']
t1 = (4,5)
id(t1)
2197042325568
x = True
y = False
x and y
False
y and x
False
li = [10,20]
k = 4
li[k]
Traceback (most recent call last):
  File "<pyshell#20>", line 1, in <module>
    li[k]
IndexError: list index out of range
k = 1
li[k]
20
m = None
m
d1 = {}
d1['world']
Traceback (most recent call last):
  File "<pyshell#26>", line 1, in <module>
    d1['world']
KeyError: 'world'
d1.get('world')
d1['a'] = 90
d1.get('a')
90
d2 = {'a': 100, 'b': 'hello', 'c': 1.25, 'd': 40}
print(f"d2: {d2}")
d2: {'a': 100, 'b': 'hello', 'c': 1.25, 'd': 40}
>>> print("d2.setdefault('e', 'orange juice')")
d2.setdefault('e', 'orange juice')
>>> dir(d2)
['__class__', '__class_getitem__', '__contains__', '__delattr__', '__delitem__', '__dir__', '__doc__', '__eq__', '__format__', '__ge__', '__getattribute__', '__getitem__', '__getstate__', '__gt__', '__hash__', '__init__', '__init_subclass__', '__ior__', '__iter__', '__le__', '__len__', '__lt__', '__ne__', '__new__', '__or__', '__reduce__', '__reduce_ex__', '__repr__', '__reversed__', '__ror__', '__setattr__', '__setitem__', '__sizeof__', '__str__', '__subclasshook__', 'clear', 'copy', 'fromkeys', 'get', 'items', 'keys', 'pop', 'popitem', 'setdefault', 'update', 'values']
>>> thisdict =	{
...   "brand": "Ford",
...   "model": "Mustang",
...   "year": 1964,
...   "color": 'red'
... }
>>> print(thisdict)
{'brand': 'Ford', 'model': 'Mustang', 'year': 1964, 'color': 'red'}
>>> print(thisdict["year"])
1964
>>> print(thisdict["color"])
red
>>> print(thisdict["money"])
Traceback (most recent call last):
  File "<pyshell#38>", line 1, in <module>
    print(thisdict["money"])
KeyError: 'money'