PyQt Browser

from PyQt5.QtCore import QUrl, Qt
from PyQt5.QtGui import QFont
from PyQt5.QtWidgets import QApplication, QWidget, QPushButton, QLabel, QVBoxLayout, QHBoxLayout, QLineEdit, QAction
from PyQt5.QtWebEngineWidgets import *

# Создаем приложение и окно
app = QApplication([])
window1 = QWidget()
window1.setWindowTitle("Супер Поиск 3000")
window2 = QWidget()
window2.setWindowTitle("Поиск")

# Окно 2
browser = QWebEngineView()


def click_me():
    window1.close()
    t = e1.text().replace(" ", "%20")
    browser.setUrl(QUrl("http://www.google.com/search?q="+t))
    window2.show()


# Окно 1
e1 = QLineEdit()
e1.setAlignment(Qt.AlignCenter)
l1 = QLabel('Вы можете найти здесь все что угодно!')
l1.setFont(QFont("Arial", 30))
b1 = QPushButton("Мне повезет!")
b1.clicked.connect(click_me)

HLayout = QHBoxLayout()
HLayout.addStretch(1)
HLayout.addWidget(l1)
HLayout.addStretch(1)

HLayoutButton = QHBoxLayout()
HLayoutButton.addStretch(1)
HLayoutButton.addWidget(b1)
HLayoutButton.addStretch(1)

HLayoutEdit = QHBoxLayout()
HLayoutEdit.addStretch(0.1)
HLayoutEdit.addWidget(e1)
HLayoutEdit.addStretch(0.1)

layout = QVBoxLayout()
layout.addStretch(2)
layout.addLayout(HLayout)
layout.addLayout(HLayoutEdit)
layout.addStretch(0.5)
layout.addLayout(HLayoutButton)
layout.addStretch(2)
window1.setLayout(layout)

layout3 = QHBoxLayout()
layout3.addWidget(browser)
window2.setLayout(layout3)

# Доп параметры для окна
window1.setGeometry(600, 200, 640, 480)
window1.show()

# Доп параметры для окна 2
window2.setGeometry(400, 200, 1280, 720)
# window2.show()

# Запуск программы
app.exec_()