new files

Task/Collections/Tcl/collections-1.tcl

@@ -0,0 +1,12 @@
+set c [list] ;# create an empty list
+# fill it
+lappend c 10 11 13
+set c [linsert $c 2 "twelve goes here"]
+# iterate over it
+foreach elem $c {puts $elem}
+
+# pass to a proc
+proc show_size {l} {
+    puts [llength $l]
+}
+show_size $c