How to add a column to pandas dataframe

Pandas allow for many methods for adding and dropping content. We have covered how to drop a column and how to drop a row in pandas dataframe. What if you want to add a column to pandas? You can handle that in a few simple steps.

Add your first column in a pandas dataframe

# Create a dataframe in pandas
df = pd.DataFrame()

# Create your first column
df['team'] = ['Manchester City', 'Liverpool', 'Manchester']

# View dataframe
df

Now add more data to your columns in your pandas dataframe.

We can now assign wins to our teams.

# Add a new column to your dataframe called 'wins'
df.assign(age = [41, 40, 21])

Full code for you to use: