a.csv
ID User
A1 Fi
A2 Ki
b.csv
ID User
A4 Fsdi
A5 Kisd
The output that I want will look like this
combined.csv
ID User
A1 Fi
A2 Ki
A4 Fsdi
A5 Kisd
out = df1.append(df2)
a.csv
ID User
A1 Fi
A2 Ki
b.csv
ID User
A4 Fsdi
A5 Kisd
The output that I want will look like this
combined.csv
ID User
A1 Fi
A2 Ki
A4 Fsdi
A5 Kisd
out = df1.append(df2)
本文标题：合并CSV
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