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 dataframe add two columns int and string
df1 = df['1st Column Name'].map(str) + df['2nd Column Name'].map(str) + ...
pandas dataframe add two columns int and string
df = df['Day'].map(str) + '-' + df['Month'].map(str) + '-' + df['Year'].map(str)
how to merge two column pandas
DataFrame["new_column"] = DataFrame["column1"] + DataFrame["column2"]
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