count column values pandas code example
Example 1: Find the value counts for the column 'your_column'
df["your_column"].value_counts()
Example 2: pandas count rows in column
>>> df.count(axis='columns')
0 3
1 2
2 3
3 3
4 3
dtype: int64
Example 3: pandas count values by column
df = pd.DataFrame({'a':list('abssbab')})
df.groupby('a').count()