Swift - Write program to to find out the average of all the numbers from the array

Requirements

Write program to to find out the average of all the numbers from the array

Demo

var numbers = [5,6,3,2,4,8,1,0]
var sum = numbers.reduce (
       0,/*from  w ww. j  ava2 s.  c o  m*/
       {
           (sum: Int, num: Int) -> Int in
           return sum + num
       }
)
var average = Double(sum) / Double(numbers.count)
print(average)

Result

Related Exercise

• Closures
• Using Closures
• Assigning Closures to Variables
• Writing Closures Inline
• Using Closures In Your Functions
• Type Inference in closure
• Closure Shorthand Argument Names
• Operator Function in closure
• Trailing Closures

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