from tkinter import *
# 创建tkinter窗口
base = Tk()
# 屏幕的长度和宽度（以像素和毫米为单位）
length_1 = base.winfo_screenheight()
width_1 = base.winfo_screenwidth()
length_2 = base.winfo_screenmmheight()
width_2 = base.winfo_screenmmwidth()
# 屏幕深度
screendepth = base.winfo_screendepth()
print("\n宽 x 长（以像素为单位）= ",(width_1, length_1))
print("\n宽 x 长（以毫米为单位）= ", (width_2, length_2))
print("\n屏幕深度= ", screendepth)
mainloop()

宽 x 长（以像素为单位）= (1600, 900)
宽 x 长（以毫米为单位）= (423, 238)
屏幕深度= 32