Detailed explanation of how python and GO operate slices and lists-Python Tutorial-php.cn

Detailed explanation of how python and GO operate slices and lists

Y2J

Release： 2017-05-04 14:27:07

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This article mainly introduces the relevant information about the example code of how to operate slice and list in python and GO. Friends who need it can refer to the following

How to operate slice and list in python and GO Example code

The GO code traverses slices, looks for a certain slice, and counts the number.

type Element interface{}
func main() {
  a := []int{1, 2, 3, 4, 1}

  for _, i := range a {
   fmt.Println(i)
  }
  for i := 0; i < len(a); i++ {
   //fmt.Println(i)
  }
  fmt.Println(index0(a, 3))
  fmt.Println(index0([]string{"a", "b", "c", "d", "e"}, "e"))
  sort.Ints(a) //排序
  fmt.Println(a)
}

//
func index0(a Element, i interface{}) int {

  if b, ok := a.([]int); ok {
   if c, ok1 := i.(int); ok1 {
     for indexC, v := range b {
      if v == c {
        return indexC
      }
     }
   }
  }
  if b, ok := a.([]string); ok {
   if c, ok1 := i.(string); ok1 {
     for indexC, v := range b {
      if v == c {
        return indexC
      }
     }
   }
  }
  return -1
}

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It can be seen that slice in the above GO language does not have a method to find a certain element. I customized a method

The python code below is very concise

a=[1,2,3,4,1]
for b in a :
  print(b)
i=0
while i <len(a):
  print(a[i])
  i=i+1
#print( sorted(a)) 方式一排序
a.sort()
print(a)
print( a.index(3))
a.count(1)

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