Please give the code for this question in Swift language only .

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Please give the code for this question in Swift language only .

Description: Given a non-negative
integer num represented as a string,
remove k digits from the number so that the new number is the smallest
possible.
Example 1
num: "1432219", k: 3
output: "1219"
Example 2
num: "10200", k: 1
output: "200"
Example 3
num: "10", k: 2
output: "0"
Transcribed Image Text:Description: Given a non-negative integer num represented as a string, remove k digits from the number so that the new number is the smallest possible. Example 1 num: "1432219", k: 3 output: "1219" Example 2 num: "10200", k: 1 output: "200" Example 3 num: "10", k: 2 output: "0"
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