Simple list question

From	"Ste[hen Gray" <stevebg@roadrunner.com>
Newsgroups	comp.soft-sys.math.mathematica
Subject	Simple list question
Date	2014-04-14 09:28 +0000
Message-ID	<lig9nr$cft$1@smc.vnet.net> (permalink)
Organization	Time-Warner Telecom

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pcin = 2;
pcex = 3;   (*pcin and pcex can have various small values *)

coin = Table[{10 RandomReal[], 10 RandomReal[]}, {pcin}]
coex = Table[{3 RandomReal[], 3 RandomReal[]}, {pcex}]
cobo = Append[coin, coex]


gives, typically,

{{0.288346, 3.57763}, {1.7335, 8.69666}}
{{0.179831, 1.35324}, {0.927483, 0.931586}, {1.76338, 2.45073}}
{{0.288346, 3.57763}, {1.7335,
   8.69666}, {{0.179831, 1.35324}, {0.927483, 0.931586}, {1.76338,
    2.45073}}}

What I want is a series of x,y coordinates with no extra nesting:

{{0.288346, 3.57763}, {1.7335,
   8.69666}, {0.179831, 1.35324}, {0.927483, 0.931586}, {1.76338,
    2.45073}}

I'm embarrassed to admit that I can't find how to do this.

Please email me. Thank you.

stevebg@roadrunner.com

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Simple list question "Ste[hen Gray" <stevebg@roadrunner.com> - 2014-04-14 09:28 +0000
  Re: Simple list question Kevin <kjm@KevinMcCann.com> - 2014-04-15 03:00 +0000
  Re: Simple list question Kevin <kjm@KevinMcCann.com> - 2014-04-15 03:00 +0000
  Re: Simple list question "Dr. Wolfgang Hintze" <weh@snafu.de> - 2014-04-15 03:01 +0000

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