const DIAGRAM_1_A = 
  '+---------+-------------+\n' +
  '| Classes | Metaclasses |\n' +
  '+---------+-------------|\n' +
  '| MyClass > MyMetaClass |\n' +
  '|         |     v       |\n' +
  '|  object ---> type <+  |\n' +
  '|         |    ^ +---+  |\n' +
  '|   str -------+        |\n' +
  '+---------+-------------+\n';

const DIAGRAM_1_B =
  '┏━━━━━━━━━┯━━━━━━━━━━━━━┓\n' +
  '┃ Classes │ Metaclasses ┃\n' +
  '┠─────────┼─────────────┨\n' +
  '┃ MyClass → MyMetaClass ┃\n' +
  '┃         │     ↓       ┃\n' +
  '┃  object ───→ type ←╮  ┃\n' +
  '┃         │    ↑ ╰───╯  ┃\n' +
  '┃   str ───────╯        ┃\n' +
  '┗━━━━━━━━━┷━━━━━━━━━━━━━┛\n';

const DIAGRAM_2_A =
  '+---------+-------------+\n' +
  '| Classes | Metaclasses |\n' +
  '+---------+-------------|\n' +
  '| MyClass | MyMetaClass |\n' +
  '|    v    |     v       |\n' +
  '|  object <--- type     |\n' +
  '|    ^    |             |\n' +
  '|   str   |             |\n' +
  '+---------+-------------+\n';

const DIAGRAM_2_B =
  '┏━━━━━━━━━┯━━━━━━━━━━━━━┓\n' +
  '┃ Classes │ Metaclasses ┃\n' +
  '┠─────────┼─────────────┨\n' +
  '┃ MyClass │ MyMetaClass ┃\n' +
  '┃    ↓    │     ↓       ┃\n' +
  '┃  object ←─── type     ┃\n' +
  '┃    ↑    │             ┃\n' +
  '┃   str   │             ┃\n' +
  '┗━━━━━━━━━┷━━━━━━━━━━━━━┛\n';

const DIAGRAM_3_A =
  '+------------------+----------+------------+----------+\n' +
  '|                  | Sequence | Collection | Iterable |\n' +
  '+------------------+----------+------------+----------+\n' +
  '| list, range, str |   yes    |    yes     |   yes    |\n' +
  '| dict, set        |          |    yes     |   yes    |\n' +
  '| iter             |          |            |   yes    |\n' +
  '+------------------+----------+------------+----------+\n';

const DIAGRAM_3_B =
  '┏━━━━━━━━━━━━━━━━━━┯━━━━━━━━━━┯━━━━━━━━━━━━┯━━━━━━━━━━┓\n' +
  '┃                  │ Sequence │ Collection │ Iterable ┃\n' +
  '┠──────────────────┼──────────┼────────────┼──────────┨\n' +
  '┃ list, range, str │    ✓     │     ✓      │    ✓     ┃\n' +
  '┃ dict, set        │          │     ✓      │    ✓     ┃\n' +
  '┃ iter             │          │            │    ✓     ┃\n' +
  '┗━━━━━━━━━━━━━━━━━━┷━━━━━━━━━━┷━━━━━━━━━━━━┷━━━━━━━━━━┛\n';

const DIAGRAM_4_A =
  '+--------------------+----------+----------+------+---------+--------+\n' +
  '|                    | Integral | Rational | Real | Complex | Number |\n' +
  '+--------------------+----------+----------+------+---------+--------+\n' +
  '| int                |   yes    |   yes    | yes  |   yes   |  yes   |\n' +
  '| fractions.Fraction |          |   yes    | yes  |   yes   |  yes   |\n' +
  '| float              |          |          | yes  |   yes   |  yes   |\n' +
  '| complex            |          |          |      |   yes   |  yes   |\n' +
  '+--------------------+----------+----------+------+---------+--------+\n';

const DIAGRAM_4_B =
  '┏━━━━━━━━━━━━━━━━━━━━┯━━━━━━━━━━┯━━━━━━━━━━┯━━━━━━┯━━━━━━━━━┯━━━━━━━━┓\n' +
  '┃                    │ Integral │ Rational │ Real │ Complex │ Number ┃\n' +
  '┠────────────────────┼──────────┼──────────┼──────┼─────────┼────────┨\n' +
  '┃ int                │    ✓     │    ✓     │  ✓   │    ✓    │   ✓    ┃\n' +
  '┃ fractions.Fraction │          │    ✓     │  ✓   │    ✓    │   ✓    ┃\n' +
  '┃ float              │          │          │  ✓   │    ✓    │   ✓    ┃\n' +
  '┃ complex            │          │          │      │    ✓    │   ✓    ┃\n' +
  '┗━━━━━━━━━━━━━━━━━━━━┷━━━━━━━━━━┷━━━━━━━━━━┷━━━━━━┷━━━━━━━━━┷━━━━━━━━┛\n';

const DIAGRAM_5_A =
  "+----------------+--------------+---------------+---------------+---------------+\n" +
  "|                | {<float>:.2} | {<float>:.2f} | {<float>:.2e} | {<float>:.2%} |\n" +
  "+----------------+--------------+---------------+---------------+---------------+\n" +
  "|    0.000056789 |  '5.7e-05'   |      '0.00'   |   '5.68e-05'  |      '0.01%'  |\n" +
  "|    0.00056789  |  '0.00057'   |      '0.00'   |   '5.68e-04'  |      '0.06%'  |\n" +
  "|    0.0056789   |  '0.0057'    |      '0.01'   |   '5.68e-03'  |      '0.57%'  |\n" +
  "|    0.056789    |  '0.057'     |      '0.06'   |   '5.68e-02'  |      '5.68%'  |\n" +
  "|    0.56789     |  '0.57'      |      '0.57'   |   '5.68e-01'  |     '56.79%'  |\n" +
  "|    5.6789      |  '5.7'       |      '5.68'   |   '5.68e+00'  |    '567.89%'  |\n" +
  "|   56.789       |  '5.7e+01'   |     '56.79'   |   '5.68e+01'  |   '5678.90%'  |\n" +
  "|  567.89        |  '5.7e+02'   |    '567.89'   |   '5.68e+02'  |  '56789.00%'  |\n" +
  "+----------------+--------------+---------------+---------------+---------------+\n";

const DIAGRAM_5_B =
  "┏━━━━━━━━━━━━━━━━┯━━━━━━━━━━━━━━┯━━━━━━━━━━━━━━━┯━━━━━━━━━━━━━━━┯━━━━━━━━━━━━━━━┓\n" +
  "┃                │ {<float>:.2} │ {<float>:.2f} │ {<float>:.2e} │ {<float>:.2%} ┃\n" +
  "┠────────────────┼──────────────┼───────────────┼───────────────┼───────────────┨\n" +
  "┃    0.000056789 │  '5.7e-05'   │      '0.00'   │   '5.68e-05'  │      '0.01%'  ┃\n" +
  "┃    0.00056789  │  '0.00057'   │      '0.00'   │   '5.68e-04'  │      '0.06%'  ┃\n" +
  "┃    0.0056789   │  '0.0057'    │      '0.01'   │   '5.68e-03'  │      '0.57%'  ┃\n" +
  "┃    0.056789    │  '0.057'     │      '0.06'   │   '5.68e-02'  │      '5.68%'  ┃\n" +
  "┃    0.56789     │  '0.57'      │      '0.57'   │   '5.68e-01'  │     '56.79%'  ┃\n" +
  "┃    5.6789      │  '5.7'       │      '5.68'   │   '5.68e+00'  │    '567.89%'  ┃\n" +
  "┃   56.789       │  '5.7e+01'   │     '56.79'   │   '5.68e+01'  │   '5678.90%'  ┃\n" +
  "┃  567.89        │  '5.7e+02'   │    '567.89'   │   '5.68e+02'  │  '56789.00%'  ┃\n" +
  "┗━━━━━━━━━━━━━━━━┷━━━━━━━━━━━━━━┷━━━━━━━━━━━━━━━┷━━━━━━━━━━━━━━━┷━━━━━━━━━━━━━━━┛\n";

const DIAGRAM_6_A =
  '+------------+----------+------------+----------+--------------+\n' +
  '|            | Iterable | Collection | Sequence | abc.Sequence |\n' +
  '+------------+----------+------------+----------+--------------+\n' +
  '| iter()     |   yes    |    yes     |   yes    |     yes      |\n' +
  '| len()      |          |    yes     |   yes    |     yes      |\n' +
  '| getitem()  |          |            |   yes    |     yes      |\n' +
  '| contains() |          |    yes     |          |     yes      |\n' +
  '+------------+----------+------------+----------+--------------+\n';

const DIAGRAM_6_B =
  '┏━━━━━━━━━━━━┯━━━━━━━━━━┯━━━━━━━━━━━━┯━━━━━━━━━━┯━━━━━━━━━━━━━━┓\n' +
  '┃            │ Iterable │ Collection │ Sequence │ abc.Sequence ┃\n' +
  '┠────────────┼──────────┼────────────┼──────────┼──────────────┨\n' +
  '┃ iter()     │    ✓     │     ✓      │    ✓     │      ✓       ┃\n' +
  '┃ len()      │          │     ✓      │    ✓     │      ✓       ┃\n' +
  '┃ getitem()  │          │            │    ✓     │      ✓       ┃\n' +
  '┃ contains() │          │     ✓      │          │      ✓       ┃\n' +
  '┗━━━━━━━━━━━━┷━━━━━━━━━━┷━━━━━━━━━━━━┷━━━━━━━━━━┷━━━━━━━━━━━━━━┛\n';


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  $(`code:contains(${DIAGRAM_1_B})`).html(DIAGRAM_1_A);
  $(`code:contains(${DIAGRAM_6_B})`).html(DIAGRAM_6_A);
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