What are common Go packages?

Here are some common Go packages that are frequently used in Go programming:

1. fmt: Provides formatted I/O functions, such as printing to the console.

   import "fmt"

2. net/http: Implements HTTP client and server functionality.

   import "net/http"

3. os: Provides a platform-independent interface to operating system functionality, such as file handling.

   import "os"

4. io: Provides basic interfaces for I/O primitives and functions for reading and writing data.

   import "io"

5. strings: Contains functions for manipulating UTF-8 encoded strings.

   import "strings"

6. math: Provides basic constants and mathematical functions.

   import "math"

7. time: Provides functionality for measuring and displaying time.

   import "time"

8. encoding/json: Provides functions for encoding and decoding JSON data.

   import "encoding/json"

These packages are part of the Go standard library and cover a wide range of functionalities, making them essential for many Go applications.