I wish to update column A in dfA with column B in dfB on index overlap
dfA
A
1 1
2 1
3 1
4 1
dfB
B
3 2
4 2
5 2
6 2
Desired result:
A
1 1
2 1
3 2
4 2
What is the simplest way to do this?
Try with update
dfA.update(dfB.rename(columns = {'B':'A'}))
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