filter df in python code example

Example 1: filter by row contains pandas

In [3]: df[df['ids'].str.contains("ball")]  # removes all rows where 'ball' not in row['ids']
Out[3]:
     ids  vals
0  aball     1
1  bball     2
3  fball     4

Example 2: pandas filter

#To select rows whose column value is in list 
years = [1952, 2007]
gapminder.year.isin(years)