SYS_RECVFROM               = 337
	SYS_SHUTDOWN               = 338
	SYS_SETSOCKOPT             = 339
	SYS_GETSOCKOPT             = 340
	SYS_SENDMSG                = 341
	SYS_RECVMSG                = 342
	SYS_RECVMMSG               = 343
	SYS_ACCEPT4                = 344
	SYS_NAME_TO_HANDLE_AT      = 345
	SYS_OPEN_BY_HANDLE_AT      = 346
	SYS_CLOCK_ADJTIME          = 347
	SYS_SYNCFS                 = 348

	0x52, 0x03, 0x6b, 0x65, 0x79, 0x12, 0x14, 0x0a, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x18, 0x02,
	0x20, 0x01, 0x28, 0x09, 0x52, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x42, 0x0a, 0x5a, 0x08, 0x2e,
	0x3b, 0x63, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
}

var (
	file_pkg_test_config_mock_config_proto_rawDescOnce sync.Once

	F_GETFD                                 = 0x1
	F_GETFL                                 = 0x3
	F_GETLK                                 = 0x7
	F_GETLKPID                              = 0x42
	F_GETNOSIGPIPE                          = 0x4a
	F_GETOWN                                = 0x5
	F_GETPATH                               = 0x32
	F_GETPATH_MTMINFO                       = 0x47

```Python hl_lines="36-42"
{!../../../docs_src/nosql_databases/tutorial001.py!}
```

### f-strings

	0x2e, 0x41, 0x63, 0x6b, 0x48, 0x00, 0x52, 0x03, 0x61, 0x63, 0x6b, 0x42, 0x09, 0x0a, 0x07, 0x70,
	0x61, 0x79, 0x6c, 0x6f, 0x61, 0x64, 0x2a, 0x1f, 0x0a, 0x07, 0x56, 0x65, 0x72, 0x73, 0x69, 0x6f,
	0x6e, 0x12, 0x0c, 0x0a, 0x08, 0x4e, 0x4f, 0x54, 0x5f, 0x55, 0x53, 0x45, 0x44, 0x10, 0x00, 0x12,
	0x06, 0x0a, 0x02, 0x56, 0x31, 0x10, 0x01, 0x42, 0x0c, 0x5a, 0x0a, 0x70, 0x6b, 0x67, 0x2f, 0x7a,

	IFT_FRELAYDCE                     = 0x2c
	IFT_FRF16MFRBUNDLE                = 0xa3
	IFT_FRFORWARD                     = 0x9e
	IFT_G703AT2MB                     = 0x43
	IFT_G703AT64K                     = 0x42
	IFT_GIF                           = 0xf0
	IFT_GIGABITETHERNET               = 0x75
	IFT_GR303IDT                      = 0xb2
	IFT_GR303RDT                      = 0xb1
	IFT_H323GATEKEEPER                = 0xa4

	IFT_FRELAYDCE                     = 0x2c
	IFT_FRF16MFRBUNDLE                = 0xa3
	IFT_FRFORWARD                     = 0x9e
	IFT_G703AT2MB                     = 0x43
	IFT_G703AT64K                     = 0x42
	IFT_GIF                           = 0xf0
	IFT_GIGABITETHERNET               = 0x75
	IFT_GR303IDT                      = 0xb2
	IFT_GR303RDT                      = 0xb1
	IFT_H323GATEKEEPER                = 0xa4

	if err != nil {
		return
	}
	err = z.Flags.Retry.EncodeMsg(en)
	if err != nil {
		err = msgp.WrapError(err, "Flags", "Retry")
		return
	}
	// write "Bucket"
	err = en.Append(0xa6, 0x42, 0x75, 0x63, 0x6b, 0x65, 0x74)
	if err != nil {
		return
	}
	err = en.WriteString(z.Bucket)
	if err != nil {
		err = msgp.WrapError(err, "Bucket")
		return
	}
	// write "Prefix"

	IPV6_RTHDR_TYPE_0             = 0x0
	IPV6_SEC_OPT                  = 0x22
	IPV6_SRC_PREFERENCES          = 0x23
	IPV6_TCLASS                   = 0x26
	IPV6_UNICAST_HOPS             = 0x5
	IPV6_UNSPEC_SRC               = 0x42
	IPV6_USE_MIN_MTU              = 0x20
	IPV6_V6ONLY                   = 0x27
	IP_ADD_MEMBERSHIP             = 0x13
	IP_ADD_SOURCE_MEMBERSHIP      = 0x17
	IP_BLOCK_SOURCE               = 0x15

	"strings"
)

// This example demonstrates how to inspect the AST of a Go program.
func ExampleInspect() {
	// src is the input for which we want to inspect the AST.
	src := `
package p
const c = 1.0
var X = f(3.14)*2 + c
`

	// Create the AST by parsing src.
	fset := token.NewFileSet() // positions are relative to fset
	f, err := parser.ParseFile(fset, "src.go", src, 0)
	if err != nil {
		panic(err)
	}