df.head show all columns code example
Example 1: python show all columns
pd.set_option('display.max_columns', None)
pd.set_option('display.max_rows', None)
Example 2: view all columns pandas
print(dataframe.columns)
pd.set_option('display.max_columns', None)
pd.set_option('display.max_rows', None)
print(dataframe.columns)