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运行下面代码的正确结果是？（ ）
filename = "example.txt"
line_count = 0
with open(filename, "r") as file:
for line in file:
line_count += 1
print(f"The file 'example' has {line_count} lines.")其中example.txt文件内容如下：
My Favorite Animal
Once upon a time, I had a pet dog named Max.
Max was the most obedient dog I knew.
We played fetch in the park, went on long walks in the woods, and even took naps together on lazy afternoons.
4
3
2
1
