count number of occurence of a value in pandas column code example
Example: python - count number of occurence in a column
print df
col1 education
0 a 9th
1 b 9th
2 c 8th
len(df[df['education'] == '9th'])
print df
col1 education
0 a 9th
1 b 9th
2 c 8th
len(df[df['education'] == '9th'])