import pandas as pd
df = pd.DataFrame({'a':[1,2], 'b':[3,4]})
df['c'] = df.apply(lambda row: row.a + row.b, axis=1)
df
# a b c
# 0 1 3 4
# 1 2 4 6# import pandas library
import pandas as pd
# create pandas DataFrame
df = pd.DataFrame({'team': ['India', 'South Africa', 'New Zealand', 'England'],
'points': [10, 8, 3, 5],
'runrate': [0.5, 1.4, 2, -0.6],
'wins': [5, 4, 2, 2]})
# print the DataFrame
print(df)
# insert the new column at the specific position
df.insert(3, "lost", [2, 1, 3, 4], True)
# Print the new DataFrame
print(df)