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   "source": [
    "import { assertEquals } from \"jsr:@std/assert\""
   ]
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   "source": [
    "# Aufgabe 01.02.4\n",
    "Schreibe eine Funktion `echo`, die ebenfalls den übergebenen Parameter wieder zurückgibt."
   ]
  },
  {
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   "source": [
    "Deno.test(\"01.02.4: echo\", () => {\n",
    "    assertEquals(typeof echo, 'function')\n",
    "})\n",
    "Deno.test(\"01.02.4: Parameter\", () => {\n",
    "    assertEquals(echo.length, 1)\n",
    "})\n",
    "Deno.test(\"01.02.4: Greta\", () => {\n",
    "    assertEquals(echo('Greta'), 'Greta')\n",
    "})\n",
    "Deno.test(\"01.02.4: CO2\", () => {\n",
    "    assertEquals(echo('CO2'), 'CO2')\n",
    "})"
   ]
  },
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   "source": [
    "# Aufgabe 01.02.5\n",
    "Schreibe eine Funktion `welcome`, die einen Parameter entgegennimmt und die `'Hallo <Parameter>!'` zurückgibt.\n",
    "\n",
    "Beispiel: Übergibt man der Funktion `welcome` den Wert `'Ada'`, so sollte die Funktion `'Hallo Ada!'` zurückgeben."
   ]
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    "Deno.test(\"01.02.5: welcome\", () => {\n",
    "    assertEquals(typeof welcome, 'function')\n",
    "})\n",
    "Deno.test(\"01.02.5: Parameter\", () => {\n",
    "    assertEquals(welcome.length, 1)\n",
    "})\n",
    "Deno.test(\"01.02.5: Ada\", () => {\n",
    "    assertEquals(welcome('Ada'), 'Hallo Ada!')\n",
    "})\n",
    "Deno.test(\"01.02.5: Marianne\", () => {\n",
    "    assertEquals(welcome('Marianne'), 'Hallo Marianne!')\n",
    "})\n",
    "Deno.test(\"01.02.5: Mitchell\", () => {\n",
    "    assertEquals(welcome('Mitchell'), 'Hallo Mitchell!')\n",
    "})"
   ]
  }
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