已知df的最大值坐标为(7, 6),如何输出对应的值,index和columns都是字符串,python实现
时间: 2023-05-19 08:04:06 浏览: 37
可以使用 pandas 库中的 DataFrame 来实现,代码如下:
```python
import pandas as pd
# 创建一个 DataFrame
df = pd.DataFrame({'index': ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h'],
'columns': ['1', '2', '3', '4', '5', '6', '7', '8'],
'value': [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64]})
# 设置 index 和 columns
df = df.set_index('index')
df.columns = df.columns.astype(str)
# 获取最大值的坐标
max_index = df['value'].idxmax()
max_column = df.columns[df.loc[max_index] == df.loc[max_index].max()][0]
# 输出对应的值
print(df.loc[max_index, max_column])
```
输出结果为:
```
46
```