I have 2 dataframes as:
df1:
c1  c2
A   1
B   2
C   3
df2:
c1  c2
A   11
B   12
D   14
I want to merge the two dataframes so the output is:
c1  c2  c3
A   1   11
B   2   12
C   3
D       14
How can I achieve this?
pd.merge(df1, df2, on = "c1", how = "outer")
