pandas dataframe filter as like 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 column filter

filter = df['column']!= 0
df = df[filter]