pandas.set_option('display.max_rows', None)
pd.set_option('display.max_rows', 90)
# displays max number of columns and rows
import pandas as pd
pd.options.display.max_rows = 999
pd.options.display.max_columns = 999
# credit to Stack Overflow in the source link
df.head()
Communications and Search Business General Lifestyle
0 0.745763 0.050847 0.118644 0.084746
0 0.333333 0.000000 0.583333 0.083333
0 0.617021 0.042553 0.297872 0.042553
0 0.435897 0.000000 0.410256 0.153846
0 0.358974 0.076923 0.410256 0.153846
df.idxmax(axis=1)
0 Communications
1 Business
2 Communications
3 Communications
4 Business
dtype: object