覆盖Seaborn图例

import seaborn as sns
import matplotlib.pyplot as plt

# 创建数据
data = [1, 2, 3, 4]
labels = ['A', 'B', 'C', 'D']

# 绘制柱状图
sns.barplot(x=data, y=data, hue=labels)

# 添加图例，并修改标签
plt.legend(labels=['Label 1', 'Label 2', 'Label 3', 'Label 4'])
plt.show()

import seaborn as sns
import matplotlib.pyplot as plt

# 创建数据
data = [1, 2, 3, 4]
labels = ['A', 'B', 'C', 'D']

# 绘制柱状图
sns.barplot(x=data, y=data, hue=labels)

# 添加图例，并指定位置
plt.legend(loc='upper right')
plt.show()

import seaborn as sns
import matplotlib.pyplot as plt

# 创建数据
data = [1, 2, 3, 4]
labels = ['A', 'B', 'C', 'D']

# 绘制柱状图
sns.barplot(x=data, y=data, hue=labels)

# 添加图例，并修改样式
plt.legend(facecolor='white', edgecolor='black', fontsize='small')
plt.show()