Hacking with strace to find about write calls in a program

$strace -e write python dig.py 
write(1, "\33[31mI think lscpu command is us"..., 69I think lscpu command is using proc filesystem to get data.
) = 69
write(1, "\33[31m/* /sys paths */\33[0m\n", 26/* /sys paths */
) = 26
write(1, "\33[31m#define _PATH_SYS_SYSTEM   "..., 63#define _PATH_SYS_SYSTEM        "/sys/devices/system"
) = 63
write(1, "\33[31m#define _PATH_SYS_CPU      "..., 65#define _PATH_SYS_CPU           _PATH_SYS_SYSTEM "/cpu"
) = 65
write(1, "\33[31m#define _PATH_SYS_NODE     "..., 66#define _PATH_SYS_NODE          _PATH_SYS_SYSTEM "/node"
) = 66
write(1, "\33[31m#define _PATH_PROC_XEN     "..., 53#define _PATH_PROC_XEN          "/proc/xen"
) = 53
write(1, "\33[31m#define _PATH_PROC_XENCAP  "..., 72#define _PATH_PROC_XENCAP       _PATH_PROC_XEN "/capabilities"
) = 72
write(1, "\33[31m#define _PATH_PROC_CPUINFO "..., 57#define _PATH_PROC_CPUINFO      "/proc/cpuinfo"
) = 57
write(1, "\33[31m#define _PATH_PROC_PCIDEVS "..., 65#define _PATH_PROC_PCIDEVS      "/proc/bus/pci/devices"
) = 65
write(1, "\33[31m#define _PATH_PROC_SYSINFO "..., 57#define _PATH_PROC_SYSINFO      "/proc/sysinfo"
) = 57
write(1, "\33[31m#define _PATH_PROC_STATUS  "..., 61#define _PATH_PROC_STATUS       "/proc/self/status"
) = 61
write(1, "\33[31m#define _PATH_PROC_VZ   \"/p"..., 44#define _PATH_PROC_VZ   "/proc/vz"
) = 44
write(1, "\33[31m#define _PATH_PROC_BC   \"/p"..., 44#define _PATH_PROC_BC   "/proc/bc"
) = 44
write(1, "\33[31m#define _PATH_PROC_DEVICETR"..., 61#define _PATH_PROC_DEVICETREE   "/proc/device-tree"
) = 61
write(1, "\33[31m#define _PATH_DEV_MEM      "..., 52#define _PATH_DEV_MEM           "/dev/mem"
) = 52
write(1, "\33[31m\33[0m\n", 10
)         = 10
write(1, "Number of commands found is :  0"..., 33Number of commands found is :  0
) = 33
+++ exited with 0 +++
$