From a70e26f9da0641c43e759fd308d6c6fe3310b4b1 Mon Sep 17 00:00:00 2001
From: Ressam Al-Thebailah <ralthebailah@MacBook-Air-Ressam.local>
Date: Tue, 8 Mar 2022 16:17:58 +0300
Subject: [PATCH] Challenges

---
 challeng.playground/Contents.swift            |  57 ++++++++++++++++++
 challeng.playground/contents.xcplayground     |   4 ++
 .../contents.xcworkspacedata                  |   7 +++
 .../UserInterfaceState.xcuserstate            | Bin 0 -> 12523 bytes
 challeng.playground/timeline.xctimeline       |  11 ++++
 5 files changed, 79 insertions(+)
 create mode 100644 challeng.playground/Contents.swift
 create mode 100644 challeng.playground/contents.xcplayground
 create mode 100644 challeng.playground/playground.xcworkspace/contents.xcworkspacedata
 create mode 100644 challeng.playground/playground.xcworkspace/xcuserdata/ralthebailah.xcuserdatad/UserInterfaceState.xcuserstate
 create mode 100644 challeng.playground/timeline.xctimeline

diff --git a/challeng.playground/Contents.swift b/challeng.playground/Contents.swift
new file mode 100644
index 0000000..b20a582
--- /dev/null
+++ b/challeng.playground/Contents.swift
@@ -0,0 +1,57 @@
+import UIKit
+
+var greeting = "Hello, playground"
+
+var array1 = [2,4,6,4,9,6,2]
+var array2 = [1,1,2]
+var array3 = [2,2,1]
+
+
+  for x in array1 {
+    if x == 9 {
+      print(x)
+    }}
+  
+    for y in array2 {
+      if y == 2 {
+        print(y)
+      }
+    }
+  for z in array3 {
+    if z == 1 {
+      print(z)
+   
+    }
+  }
+
+//__________________________________________
+
+var arr1 :[Any] = [1,[2,3,nil,4],[nil],5]
+var arr2 : [Any] = [7, 0,[nil],[nil, nil, 9]]
+var arr3 : [Any] = [[nil, 3], [2, 4, 5, nil], 0, 8, 3]
+var arr4 : [Any] = [3, 5, [5, 9, 0]]
+
+for x in arr1 {
+  if x != nil {
+    print(x)
+  }
+}
+
+  for x in arr2 {
+    if x != nil {
+      print(x)
+    }
+}
+
+for x in arr3 {
+  if x != nil {
+    print(x)
+  }
+}
+
+for x in arr4 {
+  if x != nil {
+    print(x)
+  }
+}
+
diff --git a/challeng.playground/contents.xcplayground b/challeng.playground/contents.xcplayground
new file mode 100644
index 0000000..cf026f2
--- /dev/null
+++ b/challeng.playground/contents.xcplayground
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<playground version='5.0' target-platform='ios' buildActiveScheme='true' importAppTypes='true'>
+    <timeline fileName='timeline.xctimeline'/>
+</playground>
\ No newline at end of file
diff --git a/challeng.playground/playground.xcworkspace/contents.xcworkspacedata b/challeng.playground/playground.xcworkspace/contents.xcworkspacedata
new file mode 100644
index 0000000..ca3329e
--- /dev/null
+++ b/challeng.playground/playground.xcworkspace/contents.xcworkspacedata
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "group:">
+   </FileRef>
+</Workspace>
diff --git a/challeng.playground/playground.xcworkspace/xcuserdata/ralthebailah.xcuserdatad/UserInterfaceState.xcuserstate b/challeng.playground/playground.xcworkspace/xcuserdata/ralthebailah.xcuserdatad/UserInterfaceState.xcuserstate
new file mode 100644
index 0000000000000000000000000000000000000000..8d14d87ca76dcbba27953d862e9f4925a60947e0
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diff --git a/challeng.playground/timeline.xctimeline b/challeng.playground/timeline.xctimeline
new file mode 100644
index 0000000..b8a6802
--- /dev/null
+++ b/challeng.playground/timeline.xctimeline
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Timeline
+   version = "3.0">
+   <TimelineItems>
+      <LoggerValueHistoryTimelineItem
+         documentLocation = "file:///Users/ralthebailah/Desktop/challeng.playground#CharacterRangeLen=0&amp;CharacterRangeLoc=320&amp;EndingColumnNumber=0&amp;EndingLineNumber=25&amp;StartingColumnNumber=0&amp;StartingLineNumber=25&amp;Timestamp=668438182.74646"
+         selectedRepresentationIndex = "0"
+         shouldTrackSuperviewWidth = "NO">
+      </LoggerValueHistoryTimelineItem>
+   </TimelineItems>
+</Timeline>