Swift Basic Programming Exercise: Create a Swift program to count the number of 7's in a given array of integers

Swift Basic Programming: Exercise-22 with Solution

Write a Swift program to create a Swift program to count the number of 7's in a given array of integers.

Pictorial Presentation:

Sample Solution:

Swift Code:

func count7(_ input: [Int]) -> Int {
    var ctr = 0
    
    for num in input {
        if num == 7 {
            ctr += 1
        }
    }
    return ctr
}
print(count7([1, 2, 7]))
print(count7([1, 7, 7]))
print(count7([1, 7, 7, 4, 7]))

Sample Output:

1
2
3

Swift Programming Code Editor:

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