python merge strings in columns
df["period"] = df["Year"].astype(str) + df["quarter"]python merge strings in columns
df["period"] = df["Year"].astype(str) + df["quarter"]pandas merge two columns from different dataframes
#suppose you have two dataframes df1 and df2, and
#you need to merge them along the column id
df_merge_col = pd.merge(df1, df2, on='id')merge two columns name in one header pandas
df['A'] = df[a_cols].apply(' '.join, axis=1)merge two columns pandas
df["period"] = df["Year"] + df["quarter"]pandas join two columns
df['FullName'] = df[['First_Name', 'Last_Name']].agg('-'.join, axis=1)concat 3 column in pandas
In[17]:df['combined']=df['bar'].astype(str)+'_'+df['foo']+'_'+df['new']
In[17]:df
Out[18]:
bar foo new combined
0 1 a apple 1_a_apple
1 2 b banana 2_b_banana
2 3 c pear 3_c_pearCopyright © 2021 Codeinu
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