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转载 pandas120题(1-20)

1.将下面的字典创建为DataFrame data = {“grammer”:[“Python”,“C”,“Java”,“GO”,np.nan,“SQL”,“PHP”,“Python”], “score”:[1,2,np.nan,4,5,6,7,10]} import pandas as pd import numpy as np df = pd.DataFrame(data) df 2.提取含有字符串"Python"的行 df[df['grammer'] == 'Python'] 3.输出df的