---------------- PostgreSQL 13.13 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 8.5.0 20210514 (Red Hat 8.5.0-18)... postgres=# select usename from pg_user; #查看系统用户 usename ---------- postgres

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color contains blue. FOREGROUND_GREEN = 0x02 # text color contains green. FOREGROUND_RED = 0x04 # text color contains red. FOREGROUND_INTENSITY = 0x08 # text color is intensified. BACKGROUND_BLUE = 0x10 contains blue. BACKGROUND_GREEN = 0x20 # background color contains green. BACKGROUND_RED = 0x40 # background color contains red. BACKGROUND_INTENSITY = 0x80 # background color is intensified. std_out_handle FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE) # reset ctypes.windll.kernel32.SetConsoleTextAttribute(std_out_ha ndle, FOREGROUND_RED | FOREGROUND_INTENSITY) # red print("red") ctypes.windll