Answers for "get num of rows in pandas dataframe"

get all count rows pandas

count_row = df.shape[0]  # gives number of row count
count_col = df.shape[1]  # gives number of col count

pandas count number of rows with value

In [37]:
df = pd.DataFrame({'a':list('abssbab')})
df.groupby('a').count()

Out[37]:

   a
a   
a  2
b  3
s  2

[3 rows x 1 columns]