Topic 02 - VariablesAndBasicMath.ipynb

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    "<h1>Index<span class=\"tocSkip\"></span></h1>\n",
    "<div class=\"toc\"><ul class=\"toc-item\"><li><span><a href=\"#Mathematical-operations\" data-toc-modified-id=\"Mathematical-operations-1\"><span class=\"toc-item-num\">1&nbsp;&nbsp;</span>Mathematical operations</a></span><ul class=\"toc-item\"><li><span><a href=\"#Operations-with-strings\" data-toc-modified-id=\"Operations-with-strings-1.1\"><span class=\"toc-item-num\">1.1&nbsp;&nbsp;</span>Operations with strings</a></span></li></ul></li><li><span><a href=\"#Logic-Operations\" data-toc-modified-id=\"Logic-Operations-2\"><span class=\"toc-item-num\">2&nbsp;&nbsp;</span>Logic Operations</a></span></li><li><span><a href=\"#Variables\" data-toc-modified-id=\"Variables-3\"><span class=\"toc-item-num\">3&nbsp;&nbsp;</span>Variables</a></span><ul class=\"toc-item\"><li><span><a href=\"#Changing-variable-types\" data-toc-modified-id=\"Changing-variable-types-3.1\"><span class=\"toc-item-num\">3.1&nbsp;&nbsp;</span>Changing variable types</a></span></li><li><span><a href=\"#Mixing-numbers-and-strings:\" data-toc-modified-id=\"Mixing-numbers-and-strings:-3.2\"><span class=\"toc-item-num\">3.2&nbsp;&nbsp;</span>Mixing numbers and strings:</a></span></li></ul></li><li><span><a href=\"#Exercise\" data-toc-modified-id=\"Exercise-4\"><span class=\"toc-item-num\">4&nbsp;&nbsp;</span>Exercise</a></span></li></ul></div>"
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   "source": [
    "# Mathematical operations"
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      "3 \t <class 'int'>\n",
      "-1.0 \t <class 'float'>\n",
      "2j \t <class 'complex'>\n",
      "0.5 \t <class 'float'>\n",
      "1 \t <class 'int'>\n",
      "3 \t <class 'int'>\n",
      "1000 \t <class 'int'>\n"
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    "print(1 +  2, '\\t', type(1 + 2)) \n",
    "print(1. - 2, '\\t', type(1. - 2))  \n",
    "print(1 * 2j, '\\t', type(1*2j))  \n",
    "print(1 /  2, '\\t', type(1/2))  \n",
    "print(10 % 3, '\\t', type(10 % 3))  \n",
    "print(10 // 3,'\\t', type(10 // 3)) \n",
    "print(10 ** 3,'\\t', type(10 ** 3)) "
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    "## Operations with strings\n",
    "\n",
    "The operator **+** also allows you to concatenate strings:"
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      "ABCdef <class 'str'>\n"
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   "source": [
    "print('ABC' + 'def', type('ABC' + 'def'))"
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   "source": [
    "# Logic Operations"
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      "True\n",
      "False\n",
      "True\n",
      "True\n",
      "False\n",
      "False\n"
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    "a = 1\n",
    "b = a\n",
    "c = 2\n",
    "d = 3\n",
    "\n",
    "print(a == b)\n",
    "print(a != b)\n",
    "print(a < c)\n",
    "print(a <= c)\n",
    "print(a > c)\n",
    "print(a >= c)"
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   "source": [
    "# Variables\n",
    "You can assing a variable using ```name = value```"
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      "3\n"
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    "a = 1\n",
    "b = 2\n",
    "c = a + b\n",
    "print(c)"
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      "12\n"
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    "a = '1'\n",
    "b = '2'\n",
    "c = a + b\n",
    "print(c)"
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    "## Changing variable types\n",
    "\n",
    "You can change a variable type using the functions:\n",
    "```python\n",
    "int(), float(), bool(), complex(), str() \n",
    "```"
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      "3\n"
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    "a = '1'\n",
    "b = '2'\n",
    "a = int(a)\n",
    "b = int(b)\n",
    "c = a + b\n",
    "print(c)"
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   "source": [
    "Or:"
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      "12\n"
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    "a = 1\n",
    "b = 2\n",
    "a = str(a)\n",
    "b = str(b)\n",
    "c = a + b\n",
    "print(c)"
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    "## Mixing numbers and strings:\n",
    "\n",
    "It is required when you need to show in the screen the result of a simulation. You can do it in different ways:"
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      "The result is 3.252627\n",
      "The result is 3.252627\n",
      "The result is 3.25\n",
      "The result is 3.25\n",
      "The result is 3.25\n",
      "The result is 3.25\n"
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    "result = 3.252627\n",
    "print ('The result is %s' % result)\n",
    "print ('The result is ' +  str(result))\n",
    "print ('The result is ' +  str(round(result,2)))\n",
    "print ('The result is {}'.format(round(result, 2)) )\n",
    "print ('The result is {0:.2f}'.format(result))\n",
    "print (f'The result is {result:.2f}')"
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   "source": [
    "If you have some doubts you can look in [internet](https://docs.python.org/3.7/library/string.html?highlight=string%20float%20notation#format-string-syntax)."
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   "source": [
    "# Exercise\n",
    "Create independent variables for your name, age, and nationality. Then, with just one print function show all of them in the screen"
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