source code for pd.options.display code example
Example 1: pandas show all rows
pd.set_option('display.max_columns', None) # or 1000
pd.set_option('display.max_rows', None) # or 1000
pd.set_option('display.max_colwidth', -1) # or 199
Example 2: display Max rows in a pandas dataframe
pandas.set_option('display.max_rows', None)