First lesson in python

lesson_1.ipynb

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     "text": [
      "Γεια σας\n"
     ]
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   "source": [
    "print (\"Γεια σας\")"
   ]
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   "source": [
    "import numpy"
   ]
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     "text": [
      "6\n"
     ]
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   "source": [
    "print (1+2+3)"
   ]
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   "outputs": [],
   "source": []
  }
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