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4 changes: 2 additions & 2 deletions chapter_preliminaries/pandas.md
Original file line number Diff line number Diff line change
Expand Up @@ -19,8 +19,8 @@
#@tab all
import os

os.makedirs(os.path.join('..', 'data'), exist_ok=True)
data_file = os.path.join('..', 'data', 'house_tiny.csv')
os.makedirs(os.path.join('.', 'data'), exist_ok=True)
data_file = os.path.join('.', 'data', 'house_tiny.csv')
with open(data_file, 'w') as f:
f.write('NumRooms,Alley,Price\n') # 列名
f.write('NA,Pave,127500\n') # 每行表示一个数据样本
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