diff --git a/app/test.ipynb b/app/test.ipynb
deleted file mode 100644
index 34524bd0..00000000
--- a/app/test.ipynb
+++ /dev/null
@@ -1,18608 +0,0 @@
-{
- "cells": [
-  {
-   "cell_type": "code",
-   "execution_count": 12,
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "import pandas as pd\n",
-    "import plotly.express as px\n",
-    "import plotly.graph_objects as go\n",
-    "import numpy as np"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 77,
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "data_age = pd.read_excel('../data/azerbaijan_suicide_data.xlsx', sheet_name='age')\n",
-    "data_year = pd.read_excel('../data/azerbaijan_suicide_data.xlsx', sheet_name='year')"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 73,
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "data_age.columns = ['Age', 'Both Sexes', 'Male', 'Female']"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 80,
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "data_age.Both_sexes.name = 'Both Sexes'"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 81,
-   "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/html": [
-       "<div>\n",
-       "<style scoped>\n",
-       "    .dataframe tbody tr th:only-of-type {\n",
-       "        vertical-align: middle;\n",
-       "    }\n",
-       "\n",
-       "    .dataframe tbody tr th {\n",
-       "        vertical-align: top;\n",
-       "    }\n",
-       "\n",
-       "    .dataframe thead th {\n",
-       "        text-align: right;\n",
-       "    }\n",
-       "</style>\n",
-       "<table border=\"1\" class=\"dataframe\">\n",
-       "  <thead>\n",
-       "    <tr style=\"text-align: right;\">\n",
-       "      <th></th>\n",
-       "      <th>Age</th>\n",
-       "      <th>Both_sexes</th>\n",
-       "      <th>Male</th>\n",
-       "      <th>Female</th>\n",
-       "    </tr>\n",
-       "  </thead>\n",
-       "  <tbody>\n",
-       "    <tr>\n",
-       "      <th>0</th>\n",
-       "      <td>85+</td>\n",
-       "      <td>23.97</td>\n",
-       "      <td>38.35</td>\n",
-       "      <td>16.87</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>1</th>\n",
-       "      <td>75-84</td>\n",
-       "      <td>10.40</td>\n",
-       "      <td>15.22</td>\n",
-       "      <td>7.36</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2</th>\n",
-       "      <td>65-74</td>\n",
-       "      <td>6.82</td>\n",
-       "      <td>10.93</td>\n",
-       "      <td>3.57</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>3</th>\n",
-       "      <td>55-64</td>\n",
-       "      <td>5.70</td>\n",
-       "      <td>9.50</td>\n",
-       "      <td>2.35</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>4</th>\n",
-       "      <td>45-54</td>\n",
-       "      <td>5.25</td>\n",
-       "      <td>9.14</td>\n",
-       "      <td>1.73</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>5</th>\n",
-       "      <td>35-44</td>\n",
-       "      <td>5.42</td>\n",
-       "      <td>9.42</td>\n",
-       "      <td>1.50</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>6</th>\n",
-       "      <td>25-34</td>\n",
-       "      <td>4.89</td>\n",
-       "      <td>8.43</td>\n",
-       "      <td>1.36</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>7</th>\n",
-       "      <td>15-24</td>\n",
-       "      <td>4.00</td>\n",
-       "      <td>6.38</td>\n",
-       "      <td>1.34</td>\n",
-       "    </tr>\n",
-       "  </tbody>\n",
-       "</table>\n",
-       "</div>"
-      ],
-      "text/plain": [
-       "     Age  Both_sexes   Male  Female\n",
-       "0    85+       23.97  38.35   16.87\n",
-       "1  75-84       10.40  15.22    7.36\n",
-       "2  65-74        6.82  10.93    3.57\n",
-       "3  55-64        5.70   9.50    2.35\n",
-       "4  45-54        5.25   9.14    1.73\n",
-       "5  35-44        5.42   9.42    1.50\n",
-       "6  25-34        4.89   8.43    1.36\n",
-       "7  15-24        4.00   6.38    1.34"
-      ]
-     },
-     "execution_count": 81,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
-   "source": [
-    "data_age"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 76,
-   "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/plain": [
-       "['Age', 'Both Sexes', 'Male', 'Female']"
-      ]
-     },
-     "execution_count": 76,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
-   "source": [
-    "data_age"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 71,
-   "metadata": {},
-   "outputs": [
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-    "data_age['Age'] = data_age[data_age.columns[0]][::-1]"
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-    "data_age['Age'] = list(reversed(list(data_age['Age'])))"
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-       "     Age  Both_sexes   Male  Female\n",
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-       "6  75-84       10.40  15.22    7.36\n",
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-   "execution_count": 65,
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "data_age = data_age.loc[::-1].reset_index(drop=True)"
-   ]
-  },
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-   "execution_count": 59,
-   "metadata": {},
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-   "metadata": {},
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-   "source": [
-    "test_male = [float(d[:d.find(' ')]) for d in data_year.Male]\n",
-    "test_both = [float(d[:d.find(' ')]) for d in data_year.Both_sexes]\n",
-    "test_female = [float(d[:d.find(' ')]) for d in data_year.Female]\n",
-    "df = pd.DataFrame({'Year': data_year.Year, 'Both sexes': test_both, 'Male': test_male, 'Female': test_female})"
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-  {
-   "cell_type": "code",
-   "execution_count": 10,
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-    "both_sexes = test_both\n",
-    "both_sexes_len = len(both_sexes)\n",
-    "average_both_sexes = sum(both_sexes) / (both_sexes_len if both_sexes_len else 1)\n",
-    "male = test_male\n",
-    "male_len = len(male)\n",
-    "average_male = sum(male) / (male_len if male_len else 1)\n",
-    "female = test_female\n",
-    "female_len = len(female)\n",
-    "average_female = sum(female) / (female_len if female_len else 1)"
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-   "execution_count": 56,
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-       "      <td>1972</td>\n",
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-       "      <td>739.981106</td>\n",
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-       "       country continent  year  lifeExp       pop   gdpPercap iso_alpha  \\\n",
-       "0  Afghanistan      Asia  1952   28.801   8425333  779.445314       AFG   \n",
-       "1  Afghanistan      Asia  1957   30.332   9240934  820.853030       AFG   \n",
-       "2  Afghanistan      Asia  1962   31.997  10267083  853.100710       AFG   \n",
-       "3  Afghanistan      Asia  1967   34.020  11537966  836.197138       AFG   \n",
-       "4  Afghanistan      Asia  1972   36.088  13079460  739.981106       AFG   \n",
-       "\n",
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-          "font": {
-           "color": "#2a3f5f"
-          },
-          "geo": {
-           "bgcolor": "white",
-           "lakecolor": "white",
-           "landcolor": "#E5ECF6",
-           "showlakes": true,
-           "showland": true,
-           "subunitcolor": "white"
-          },
-          "hoverlabel": {
-           "align": "left"
-          },
-          "hovermode": "closest",
-          "mapbox": {
-           "style": "light"
-          },
-          "paper_bgcolor": "white",
-          "plot_bgcolor": "#E5ECF6",
-          "polar": {
-           "angularaxis": {
-            "gridcolor": "white",
-            "linecolor": "white",
-            "ticks": ""
-           },
-           "bgcolor": "#E5ECF6",
-           "radialaxis": {
-            "gridcolor": "white",
-            "linecolor": "white",
-            "ticks": ""
-           }
-          },
-          "scene": {
-           "xaxis": {
-            "backgroundcolor": "#E5ECF6",
-            "gridcolor": "white",
-            "gridwidth": 2,
-            "linecolor": "white",
-            "showbackground": true,
-            "ticks": "",
-            "zerolinecolor": "white"
-           },
-           "yaxis": {
-            "backgroundcolor": "#E5ECF6",
-            "gridcolor": "white",
-            "gridwidth": 2,
-            "linecolor": "white",
-            "showbackground": true,
-            "ticks": "",
-            "zerolinecolor": "white"
-           },
-           "zaxis": {
-            "backgroundcolor": "#E5ECF6",
-            "gridcolor": "white",
-            "gridwidth": 2,
-            "linecolor": "white",
-            "showbackground": true,
-            "ticks": "",
-            "zerolinecolor": "white"
-           }
-          },
-          "shapedefaults": {
-           "line": {
-            "color": "#2a3f5f"
-           }
-          },
-          "ternary": {
-           "aaxis": {
-            "gridcolor": "white",
-            "linecolor": "white",
-            "ticks": ""
-           },
-           "baxis": {
-            "gridcolor": "white",
-            "linecolor": "white",
-            "ticks": ""
-           },
-           "bgcolor": "#E5ECF6",
-           "caxis": {
-            "gridcolor": "white",
-            "linecolor": "white",
-            "ticks": ""
-           }
-          },
-          "title": {
-           "x": 0.05
-          },
-          "xaxis": {
-           "automargin": true,
-           "gridcolor": "white",
-           "linecolor": "white",
-           "ticks": "",
-           "title": {
-            "standoff": 15
-           },
-           "zerolinecolor": "white",
-           "zerolinewidth": 2
-          },
-          "yaxis": {
-           "automargin": true,
-           "gridcolor": "white",
-           "linecolor": "white",
-           "ticks": "",
-           "title": {
-            "standoff": 15
-           },
-           "zerolinecolor": "white",
-           "zerolinewidth": 2
-          }
-         }
-        },
-        "title": {
-         "text": "A Figure Displaying Itself"
-        }
-       }
-      }
-     },
-     "metadata": {},
-     "output_type": "display_data"
-    }
-   ],
-   "source": [
-    "go.Figure(\n",
-    "    data=[go.Bar(y=[average_both_sexes, average_male, average_female])],\n",
-    "    layout_title_text=\"A Figure Displaying Itself\"\n",
-    ")"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 7,
-   "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "application/vnd.plotly.v1+json": {
-       "config": {
-        "plotlyServerURL": "https://plot.ly"
-       },
-       "data": [
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-         "alignmentgroup": "True",
-         "hovertemplate": "variable=Both sexes<br>Year=%{x}<br>value=%{y}<extra></extra>",
-         "legendgroup": "Both sexes",
-         "marker": {
-          "color": "#636efa",
-          "pattern": {
-           "shape": ""
-          }
-         },
-         "name": "Both sexes",
-         "offsetgroup": "Both sexes",
-         "orientation": "v",
-         "showlegend": true,
-         "textposition": "auto",
-         "type": "bar",
-         "x": [
-          2019,
-          2018,
-          2017,
-          2016,
-          2015,
-          2014,
-          2013,
-          2012,
-          2011,
-          2010,
-          2009,
-          2008,
-          2007,
-          2006,
-          2005,
-          2004,
-          2003,
-          2002,
-          2001,
-          2000
-         ],
-         "xaxis": "x",
-         "y": [
-          3.97,
-          3.92,
-          3.91,
-          3.92,
-          3.99,
-          4.1,
-          4.19,
-          4.31,
-          4.44,
-          4.53,
-          4.64,
-          4.79,
-          5,
-          4.85,
-          4.69,
-          4.5,
-          4.04,
-          3.88,
-          3.72,
-          3.42
-         ],
-         "yaxis": "y"
-        },
-        {
-         "alignmentgroup": "True",
-         "hovertemplate": "variable=Male<br>Year=%{x}<br>value=%{y}<extra></extra>",
-         "legendgroup": "Male",
-         "marker": {
-          "color": "#EF553B",
-          "pattern": {
-           "shape": ""
-          }
-         },
-         "name": "Male",
-         "offsetgroup": "Male",
-         "orientation": "v",
-         "showlegend": true,
-         "textposition": "auto",
-         "type": "bar",
-         "x": [
-          2019,
-          2018,
-          2017,
-          2016,
-          2015,
-          2014,
-          2013,
-          2012,
-          2011,
-          2010,
-          2009,
-          2008,
-          2007,
-          2006,
-          2005,
-          2004,
-          2003,
-          2002,
-          2001,
-          2000
-         ],
-         "xaxis": "x",
-         "y": [
-          6.61,
-          6.52,
-          6.48,
-          6.51,
-          6.64,
-          6.83,
-          6.99,
-          7.12,
-          7.33,
-          7.44,
-          7.62,
-          7.86,
-          8.17,
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-          7.7,
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-          6.46,
-          6.21,
-          5.76
-         ],
-         "yaxis": "y"
-        },
-        {
-         "alignmentgroup": "True",
-         "hovertemplate": "variable=Female<br>Year=%{x}<br>value=%{y}<extra></extra>",
-         "legendgroup": "Female",
-         "marker": {
-          "color": "#00cc96",
-          "pattern": {
-           "shape": ""
-          }
-         },
-         "name": "Female",
-         "offsetgroup": "Female",
-         "orientation": "v",
-         "showlegend": true,
-         "textposition": "auto",
-         "type": "bar",
-         "x": [
-          2019,
-          2018,
-          2017,
-          2016,
-          2015,
-          2014,
-          2013,
-          2012,
-          2011,
-          2010,
-          2009,
-          2008,
-          2007,
-          2006,
-          2005,
-          2004,
-          2003,
-          2002,
-          2001,
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-         "yaxis": "y"
-        }
-       ],
-       "layout": {
-        "barmode": "relative",
-        "legend": {
-         "title": {
-          "text": "variable"
-         },
-         "tracegroupgap": 0
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-             "#fb9f3a"
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-            [
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-             "#fdca26"
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-            [
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-             "#f0f921"
-            ]
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-          "colorway": [
-           "#636efa",
-           "#EF553B",
-           "#00cc96",
-           "#ab63fa",
-           "#FFA15A",
-           "#19d3f3",
-           "#FF6692",
-           "#B6E880",
-           "#FF97FF",
-           "#FECB52"
-          ],
-          "font": {
-           "color": "#2a3f5f"
-          },
-          "geo": {
-           "bgcolor": "white",
-           "lakecolor": "white",
-           "landcolor": "#E5ECF6",
-           "showlakes": true,
-           "showland": true,
-           "subunitcolor": "white"
-          },
-          "hoverlabel": {
-           "align": "left"
-          },
-          "hovermode": "closest",
-          "mapbox": {
-           "style": "light"
-          },
-          "paper_bgcolor": "white",
-          "plot_bgcolor": "#E5ECF6",
-          "polar": {
-           "angularaxis": {
-            "gridcolor": "white",
-            "linecolor": "white",
-            "ticks": ""
-           },
-           "bgcolor": "#E5ECF6",
-           "radialaxis": {
-            "gridcolor": "white",
-            "linecolor": "white",
-            "ticks": ""
-           }
-          },
-          "scene": {
-           "xaxis": {
-            "backgroundcolor": "#E5ECF6",
-            "gridcolor": "white",
-            "gridwidth": 2,
-            "linecolor": "white",
-            "showbackground": true,
-            "ticks": "",
-            "zerolinecolor": "white"
-           },
-           "yaxis": {
-            "backgroundcolor": "#E5ECF6",
-            "gridcolor": "white",
-            "gridwidth": 2,
-            "linecolor": "white",
-            "showbackground": true,
-            "ticks": "",
-            "zerolinecolor": "white"
-           },
-           "zaxis": {
-            "backgroundcolor": "#E5ECF6",
-            "gridcolor": "white",
-            "gridwidth": 2,
-            "linecolor": "white",
-            "showbackground": true,
-            "ticks": "",
-            "zerolinecolor": "white"
-           }
-          },
-          "shapedefaults": {
-           "line": {
-            "color": "#2a3f5f"
-           }
-          },
-          "ternary": {
-           "aaxis": {
-            "gridcolor": "white",
-            "linecolor": "white",
-            "ticks": ""
-           },
-           "baxis": {
-            "gridcolor": "white",
-            "linecolor": "white",
-            "ticks": ""
-           },
-           "bgcolor": "#E5ECF6",
-           "caxis": {
-            "gridcolor": "white",
-            "linecolor": "white",
-            "ticks": ""
-           }
-          },
-          "title": {
-           "x": 0.05
-          },
-          "xaxis": {
-           "automargin": true,
-           "gridcolor": "white",
-           "linecolor": "white",
-           "ticks": "",
-           "title": {
-            "standoff": 15
-           },
-           "zerolinecolor": "white",
-           "zerolinewidth": 2
-          },
-          "yaxis": {
-           "automargin": true,
-           "gridcolor": "white",
-           "linecolor": "white",
-           "ticks": "",
-           "title": {
-            "standoff": 15
-           },
-           "zerolinecolor": "white",
-           "zerolinewidth": 2
-          }
-         }
-        },
-        "xaxis": {
-         "anchor": "y",
-         "domain": [
-          0,
-          1
-         ],
-         "title": {
-          "text": "Year"
-         }
-        },
-        "yaxis": {
-         "anchor": "x",
-         "domain": [
-          0,
-          1
-         ],
-         "title": {
-          "text": "value"
-         }
-        }
-       }
-      }
-     },
-     "metadata": {},
-     "output_type": "display_data"
-    }
-   ],
-   "source": [
-    "px.bar(df, x='Year', y=['Both sexes', 'Male', 'Female'])"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "print(g)"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "10 / (2 if 1 else 10)"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "data_year"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": []
-  }
- ],
- "metadata": {
-  "interpreter": {
-   "hash": "e8c5b4b062ec146843a4e9257c4b55bed920629d075dd594dd6a143d7c4ec2fe"
-  },
-  "kernelspec": {
-   "display_name": "Python 3.10.3 64-bit",
-   "language": "python",
-   "name": "python3"
-  },
-  "language_info": {
-   "codemirror_mode": {
-    "name": "ipython",
-    "version": 3
-   },
-   "file_extension": ".py",
-   "mimetype": "text/x-python",
-   "name": "python",
-   "nbconvert_exporter": "python",
-   "pygments_lexer": "ipython3",
-   "version": "3.10.3"
-  },
-  "orig_nbformat": 4
- },
- "nbformat": 4,
- "nbformat_minor": 2
-}