golang string, int, int64 float Converting method

#string to intint,err := (string)  
#string to int64int64, err := (string, 10, 64)  
//The second parameter is the cardinality (2~36),//The third parameter bit size represents the result type of the expected conversion, and its values ​​can be 0, 8, 16, 32 and 64,// Corresponding to int, int8, int16, int32 and int64 respectively#int to stringstring := (int) 
//Equivalent tostring := (int64(int),10)
#int64 to stringstring := (int64,10)  
//The second parameter is the cardinality, 2~36 can be selected//For unsigned integers, you can use Format Uint(i int64, base int)#float to stringstring := (float32,'E',-1,32)
string := (float64,'E',-1,64)
// 'b' (-ddddp±ddd, binary index)// 'e' (-±dd, decimal index)// 'E' (-±dd, decimal index)// 'f' (-, no index)// 'g' ('e':big index, 'f': other situations)// 'G' ('E':Big Index, 'f':Other Situation)#string to float64float,err := (string,64)
#string to float32float,err := (string,32)
#int to int64int64_ := int64(1234)

package main
import (
    "fmt"
    "strconv"
)
func main() {
    input := "3.14"
    f_input, _ := (input, 64)
    ("%f - %T", f_input, f_input)
}

score := 100
f_score := float64(score)
("%f - %T\n", f_score, f_score)
> 100.000000 - float64

s_score := ("%.3f", f_score)

> uname -a
Linux 509B65C8YW2THMJ 4.4.0-18362-Microsoft #1-Microsoft Mon Mar 18 12:02:00 PST 2019 x86_64 x86_64 x86_64 GNU/Linux