心靈物語
Thursday, October 10, 2019
试错前进
我的这行code,
df_rec_c= copy.deepcopy(df_rec)
看上去神奇
但是是我经过了两次失败
df_rec.copy() (shallow copy)
df_rec.deepcopy() (deep copy没生成)
feedback directed的进步,远好过你懂得了
copy.deepcopy
才来写code。
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