import pandas as pd

index = pd.Index([10, 20, 20, 30, 40])

print("Pandas Index...\n",index)

print("\nIs the Pandas index monotonic increasing?\n",index.is_monotonic_increasing)

import pandas as pd

# 创建索引
index = pd.Index([10, 20, 20, 30, 40])

# 显示索引
print("Pandas Index...\n",index)

# 返回代表索引中数据的数组
print("\nArray...\n",index.values)

# 检查索引是否单调递增
print("\nIs the Pandas index monotonic increasing?\n",index.is_monotonic_increasing)

Pandas Index...
Int64Index([10, 20, 20, 30, 40], dtype='int64')

Array...
[10 20 20 30 40]

Is the Pandas index monotonic increasing?
True