style: format code with Autopep8, Black, ClangFormat, dotnet-format, …

…Go fmt, Gofumpt, Google Java Format, isort, Ktlint, PHP CS Fixer, Prettier, RuboCop, Ruff Formatter, Rustfmt, Scalafmt, StandardJS, StandardRB, swift-format and Yapf

This commit fixes the style issues introduced in 2f1562d according to the output
from Autopep8, Black, ClangFormat, dotnet-format, Go fmt, Gofumpt, Google Java
Format, isort, Ktlint, PHP CS Fixer, Prettier, RuboCop, Ruff Formatter, Rustfmt,
Scalafmt, StandardJS, StandardRB, swift-format and Yapf.

Details: None

database/database.py

@@ -1,20 +1,27 @@
 import sqlite3
 
+
 class Database:
     def __init__(self):
-        self.connection = sqlite3.connect('banking.db')
+        self.connection = sqlite3.connect("banking.db")
         self.cursor = self.connection.cursor()
 
     def create_table(self):
-        self.cursor.execute('''CREATE TABLE IF NOT EXISTS accounts (id INTEGER PRIMARY KEY, name TEXT, balance REAL)''')
+        self.cursor.execute(
+            """CREATE TABLE IF NOT EXISTS accounts (id INTEGER PRIMARY KEY, name TEXT, balance REAL)"""
+        )
         self.connection.commit()
 
     def insert_account(self, name, balance):
-        self.cursor.execute("INSERT INTO accounts (name, balance) VALUES (?, ?)", (name, balance))
+        self.cursor.execute(
+            "INSERT INTO accounts (name, balance) VALUES (?, ?)", (name, balance)
+        )
         self.connection.commit()
 
     def update_account(self, id, name, balance):
-        self.cursor.execute("UPDATE accounts SET name=?, balance=? WHERE id=?", (name, balance, id))
+        self.cursor.execute(
+            "UPDATE accounts SET name=?, balance=? WHERE id=?", (name, balance, id)
+        )
         self.connection.commit()
 
     def delete_account(self, id):