擅长:python、mysql、java
<p>您需要对数据执行深度复制。
每次都用新文件中的数据替换数据。
希望这能解决问题</p>
<pre><code>week_array = []
path = 'URL_ADDRESS'
for i in range(10,17):
dataset_date = "03-" + str(i) + "-2020.csv"
url = path + dataset_date
data_df = pd.read_csv(url, error_bad_lines=False, encoding = "utf-8" , header=0)
week_array.append(data_df.copy()) ## deep copy
#concat outside loop by change indentation (same indentation like `week_array`)
week_df = pd.concat(week_array,axis=0, ignore_index=True)
#^^^^
print(week_df)
</code></pre>