ljak

df = pd.read_csv(WORKING_FOLDER + FILE, index_col=0)

# columns names = list(df.columns.values)

def prefix_every_row_with_column_name(column):
    return column.name + " : " + column.astype(str)

df = df.apply(lambda column: prefix_every_row_with_column_name(column), axis=0)  # axis=0 are the columns

ljak

# 1. redo last command but as root
sudo !!

# 2. open an editor to run a command
ctrl+x+e

# 3. create a super fast ram disk
mkdir -p /mnt/ram
mount -t tmpfs tmpfs /mnt/ram -o size=8192M