数据帧1
Team region
xxxx ppl
yyyy olk
zzzz ppl
xyxy ioj
yzyz olk
xzxz ioj
datframe 2
players Team
chin xxxx
shan yyyy
fav zzzz
janb xyxy
jj yzyz
nbhg xzxz
ggdfg okk
jhjuf kkdu
hgdf xyxy
如果数据框1团队==数据框2，则打印区域。
必需的输出应为：
players Team region
chin xxxx ppl
shan yyyy olk
fav zzzz ppl
janb xyxy ioj
jj yzyz olk
nbhg xzxz ioj
hgdf xyxy
答案 0 :(得分：1)
使用：
df2.combine_first(df1)
Team players region
0 xxxx chin ppl
1 yyyy shan olk
2 zzzz fav ppl
3 xyxy janb ioj
4 yzyz jj olk
5 xzxz nbhg ioj
6 okk ggdfg NaN
7 kkdu jhjuf NaN
8 xyxy hgdf NaN