题解 | #牛客网的刷题数据#

import pandas as pd
# Nowcoder = {
#     'Nowcoder_ID':[178372,989717,783650,723570,456568],
#     'Level':[7,1,2,6,7],
#     'Achievement_value':[8711,13,130,5666,11234],
# }

# 读取csv文件
Nowcoder = pd.read_csv('Nowcoder.csv',sep=',',dtype=object)

df = pd.DataFrame(Nowcoder)

print([column for column in df])
# print(df.tail(3)) # 展示最末端3行数据
# print(df.head(2)) # 展示最前端2行数据
# print(type(df.shape)) # 展示数据行数与列数，即表格形状
print(df.shape[0]) # 只展示数据行数