Section7

Section6/67/main.go

@@ -0,0 +1,26 @@
+package main
+
+import (
+	"fmt"
+
+	f "fmt"
+)
+
+// import "fmt" //error reimporting same
+
+const done = false //package scoped
+
+func main() {
+	var task = "Running" //local (block) scoped
+	fmt.Println(task, done)
+
+	const done = true //local scoped
+	f.Printf("done in main() is %v\n", done)
+	f1()
+
+	f.Println("Bye!")
+}
+
+func f1() {
+	fmt.Printf("done in f1(): %v\n", done) //this isdone from package scope
+}

Section7/69.go

@@ -0,0 +1,91 @@
+// Coding Exercise #1
+// Using a for loop and an if statement print out all the numbers
+// between 1 and 50 that divisible by 7.
+
+//package main
+//
+//import "fmt"
+//
+//func main() {
+//	for i := 0; i < 51; i++ {
+//		if i%7 == 0 {
+//			fmt.Printf("%d ", i)
+//		}
+//
+//	}
+//	fmt.Println(" ")
+//}
+
+// Coding Exercise #2
+// Change the code from the previous exercise and use the continue statement
+// to print out all the numbers divisible by 7 between 1 and 50.
+
+//package main
+//
+//import "fmt"
+//
+//func main() {
+//	for i := 0; i < 51; i++ {
+//		if i%7 != 0 {
+//			continue
+//		}
+//		fmt.Printf("%d ", i)
+//	}
+//	fmt.Println("")
+//}
+
+// Coding Exercise #3
+// Change the code from the previous exercise and use the break statement
+// to print out only the first 3 numbers divisible by 7 between 1 and 50.
+
+// package main
+//
+//import "fmt"
+//
+//func main() {
+//	count := 0
+//	for i := 0; i < 51; i++ {
+//		if i%7 != 0 {
+//			continue
+//		}
+//		fmt.Printf("%d ", i)
+//		count++
+//
+//		if count == 3 {
+//			break
+//		}
+//	}
+//	fmt.Println("")
+//}
+
+// Coding Exercise #4
+// Using a for loop, an if statement and the logical and operator
+// print out all the numbers between 1 and 500 that divisible both by 7 and 5.
+
+// package main
+//
+//import "fmt"
+//
+//func main() {
+//	for i := 0; i <= 500; i++ {
+//		if i%7 == 0 && i%5 == 0 {
+//			fmt.Printf("%d ", i)
+//		}
+//	}
+//	fmt.Println("")
+//}
+
+// Coding Exercise #5
+// Using a for loop print out all the years from your birthday to the current year.
+// Use a variant of for loop where the post statement is moved inside the for block of code.
+
+package main
+
+import "fmt"
+
+func main() {
+	for i := 1978; i <= 2023; i++ {
+		fmt.Printf("%d ", i)
+	}
+	fmt.Println("")
+}