[英]How to print to only one column in an excel sheet using python panda
列名錯誤,不是“汽車”而是“汽車:”。
import pandas as pd
df = pd.read_csv ('car.csv')
df['Car:'] = 'Ferrari'
print(df)
結果:
Name Date Car:
0 19GS 2-Dec Ferrari
1 1A54 1-Feb Ferrari
2 1AG5 1-Jan Ferrari
3 1AH0 1-Feb Ferrari
4 1AHG 4-Mar Ferrari
如果您只想設置 1 個 position 可以使用 df.loc:
import pandas as pd
df = pd.read_csv ('car.csv')
df.loc[0,'Car:'] = 'Ferrari'
print(df)
結果:
Name Date Car:
0 19GS 2-Dec Ferrari
1 1A54 1-Feb NaN
2 1AG5 1-Jan NaN
3 1AH0 1-Feb NaN
4 1AHG 4-Mar NaN
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