Go Assignment Operators

// Incrementing
var age = 20

// the following lines all increment the value of age by 1
age = age + 1
age += 1
age++
// there's also:
age = age - 2
age -= 2
age++ // this only decrements by 1


var this_value = 40

// divides by 2
this_value /= 2

// multiplies by 3
this_value *= 3