如何将df中的factor列转换为每行的数字字符串？

df['factor'] = df['factor'].astype(str)

df['factor'] = df['factor'].apply(lambda x: ''.join(str(ord(c) - 96) for c in x.lower()))

import pandas as pd

# 创建示例数据
data = {'factor': ['abc', 'def', 'ghi']}
df = pd.DataFrame(data)

# 将factor列转换为字符串类型
df['factor'] = df['factor'].astype(str)

# 将factor列中的值转换为数字字符串
df['factor'] = df['factor'].apply(lambda x: ''.join(str(ord(c) - 96) for c in x.lower()))

print(df)

  factor
0    123
1    456
2    789