Python 3.13.6 (tags/v3.13.6:4e66535, Aug  6 2025, 14:36:00) [MSC v.1944 64 bit (AMD64)] on win32
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from collections import defaultdict
car = {
  "brand": "Ford",
  "model": "Mustang",
  "year": 1964
}
car
{'brand': 'Ford', 'model': 'Mustang', 'year': 1964}
print(car["brand"])
Ford
print(car["model"])
Mustang
car["brand"]
'Ford'
car["yue"]
Traceback (most recent call last):
  File "<pyshell#6>", line 1, in <module>
    car["yue"]
KeyError: 'yue'


counts = defaultdict(int)

counts
defaultdict(<class 'int'>, {})
words = ['apple', 'banana', 'apple', 'orange', 'banana', 'apple']

for word in words:
    counts[word] += 1

    
counts
defaultdict(<class 'int'>, {'apple': 3, 'banana': 2, 'orange': 1})
>>> counts_dict = {}
>>> 'brand' in car
True
>>> 'yue' in car
False
>>> anagram_dict = defaultdict(list)
>>> anagram_dict
defaultdict(<class 'list'>, {})
>>> word = '10th'
>>> line = '10th'
>>>  word = line.strip()
...  
SyntaxError: unexpected indent
>>> word = line.strip()
>>> word
'10th'
>>> word = '   10th   '
>>> word = line.strip()
>>> word
'10th'
>>> word = 'aboveboard'
>>> word = 'race'
>>> "".join(sorted(word.lower()))
'acer'
>>> word = 'care'
>>> "".join(sorted(word.lower()))
'acer'
anagram_dict = defaultdict(list)
signature = "".join(sorted(word.lower()))
signature
'acer'
word
'care'
anagram_dict[signature].append(word)
word = 'race'
signature = "".join(sorted(word.lower()))
signature
'acer'
anagram_dict[signature].append(word)
anagram_dict[signature]
['care', 'race']
i =78475984237598724385729384579823475893475983749857349857349857439
size(i)
Traceback (most recent call last):
  File "<pyshell#43>", line 1, in <module>
    size(i)
NameError: name 'size' is not defined. Did you mean: 'slice'?
import sys
sys.getsizeof(i)
56