import pandas as pd 
df = pd.read_csv('Nowcoder.csv',sep=',')
pd.set_option('display.width', 300) # 设置字符显示宽度
pd.set_option('display.max_rows', None) # 设置显示最大行
pd.set_option('display.max_columns', None)
print(round(df.loc[df['Language']=='Python']['Number_of_submissions'].mean(),1))