how to sort in pyhton dataframe code example

Example 1: sorting by column in pandas

#Python, Pandas
#Sorting dataframe df on the values of a column col1
#Temporary
df.sort_values(by=["col1"]) 

#Permanent
df.sort_values(by=["col1"], inplace = True)

Example 2: sort a dataframe

sort_na_first = gapminder.sort_values('lifeExp',na_position='first')