import pandas as pd

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

print(Nowcoder.Continuous_check_in_days.max())
print(Nowcoder.Continuous_check_in_days.min())

# print(Nowcoder["Continuous_check_in_days"].max())
# print(Nowcoder["Continuous_check_in_days"].min())