String Formatting

Placeholder	Description	Usage	Output
`%v`	Default format for any value.	`("%v", 123)`	`123`
`%+v`	Struct format with field names.	`("%+v", Person{Name: "John", Age: 35})`	`{Name:John Age:35}`
`%#v`	Go syntax representation of the value.	`("%#v", []int{1, 2, 3})`	`[]int{1, 2, 3}`

`%s`	String without quotes.	`("%s", "hello")`	`hello`
`%q`	Quoted string.	`("%q", "hello")`	`"hello"`

`%d`	Integer in base 10.	`("%d", 123)`	`123`
`%b`	Integer in base 2.	`("%b", 123)`	`1111011`
`%o`	Integer in base 8.	`("%o", 123)`	`173`
`%x`	Integer in base 16 with lowercase letters.	`("%x", 123)`	`7b`
`%X`	Integer in base 16 with uppercase letters.	`("%X", 123)`	`7B`
`%c`	Integer in Unicode code point.	`("%c", 65)`	`A`

`%f`	Decimal format for floating-point numbers.	`("%f", 123.456)`	`123.456000`
`%e`	Scientific notation with lowercase e.	`("%e", 123.456)`	`1.234560e+02`
`%E`	Scientific notation with uppercase E.	`("%E", 123.456)`	`1.234560E+02`

`%t`	Boolean value.	`("%t", true)`	`true`

`%p`	Hexadecimal memory address.	`("%p", &x)`	`0xc000098040`

`%T`	Type of the value.	`("%T", 123)`	`int`
`%%`	Literal `%` sign.	`("%%")`	`%`

Examples:

name := "John"
age := 35
char := 97
fmt.Printf("Name: %s, Age: %d, Char: %c ", name, age, char) // Name: John, Age: 35, Char: a

pi := 3.14159
fmt.Printf("Pi: %.2f", pi) // Pi: 3.14