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Task/Loops-Nested/Julia/loops-nested.julia

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+M = [rand(1:20) for i in 1:5, j in 1:10]
+R, C = size(M)
+
+println("The full matrix is:")
+println(M, "\n")
+
+println("Find the first 20:")
+for i in 1:R, j in 1:C
+    n = M[i,j]
+    @printf "%4d" n
+    if n == 20
+        println()
+        break
+    elseif j == C
+        println()
+    end
+end