题解 | #Python用户的平均提交次数#

import pandas as pd

Nowcoder = pd.read_csv("Nowcoder.csv", sep=",")

print(
    f"""{Nowcoder[Nowcoder["Language"] == "Python"]["Number_of_submissions"].mean():.1f}"""
)

# print(
#     f"""{Nowcoder.loc[Nowcoder["Language"] == "Python"]["Number_of_submissions"].mean():.1f}"""
# )

# print(Nowcoder.query("Language == 'Python'"))