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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]
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# Assuming you have a dataframe called 'df'
row_count = len(df)
print("Number of rows in the dataframe:", row_count)