Python 3 解法, 执行用时: 794ms, 内存消耗: 524288KB, 提交时间: 2022-08-02

import pandas as pd
Nowcoder = pd.read_csv('Nowcoder.csv', sep=',')
pd.set_option('display.width',300)
pd.set_option('display.max_rows',None)
pd.set_option('display.max_columns',None)
#print(Nowcoder.query(Nowcoder.count('CPP','Java','C','Python','C#','JavaScript'))
result=Nowcoder['Language'].value_counts()
print(result)

Python 3 解法, 执行用时: 795ms, 内存消耗: 524288KB, 提交时间: 2022-07-27

import pandas as pd

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

result = Nowcoder['Language'].value_counts()
print(result)

Python 3 解法, 执行用时: 800ms, 内存消耗: 524288KB, 提交时间: 2022-07-25

import pandas as pd

Nowcoder = pd.read_csv('Nowcoder.csv', sep=',')
print(Nowcoder["Language"].value_counts())

Python 3 解法, 执行用时: 805ms, 内存消耗: 524288KB, 提交时间: 2022-07-21

import pandas as pd
Nowcoder = 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(Nowcoder['Language'].value_counts())

Python 3 解法, 执行用时: 809ms, 内存消耗: 524288KB, 提交时间: 2022-07-25

import pandas as pd

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

print(Nowcoder["Language"].value_counts()) #value_count()可以分门别类