根据来自其他列 pandas python 的特定值创建一列

Question

I got this dataframe

Contact	Title
1	Dear Sir White,
2	Dear Madam Ford,
3	Dear Sir / Madam Hendricx,

I want to make another column called 'Gender' based on the column 'Title'

Contact	Title	Gender
1	Dear Sir White,	M
2	Dear Madam Ford,	F
3	Dear Sir / Madam Hendricx,	O

So Dear Sir is M(ale)

Dear Madam is F(emale)

Dear Sir / Madam is O

I hope someone can help!

Answer 1

df.loc[df['title'].str.contains("Sir"), 'Gender'] = 'Male'
df.loc[df['title'].str.contains("Madam"), 'Gender'] = 'Female'
df.loc[df['title'].str.contains(" Sir / Madam"), 'Gender'] = '0'

also, check this

Answer 2

g = []

for text in df.Title:
    if ' Sir / Madam' in text:
        g.append('O')
    elif 'Sir' in text:
        g.append('M')
    else:
        g.append('F')

df["Gender"] = g

Answer 3

def my_func(text):
    if 'Sir / Madam' in text:
        return 'O'
    elif 'Madam' in text:
        return 'F'
    else:
        return 'M'

df['Gender'] = df['Title'].apply(my_func)