import pandas as pd 
data = pd.read_csv("Nowcoder.csv",sep=',',dtype={
    'Nowcoder_ID':int,
    'Levevl':int,
    'Achievement_value':int,
    'Num_of_exercise':int,
    'Grduate_year':int,
    'Language':str,
})
print(data[data['Language'] == 'Python']['Achievement_value'])