Qpushbutton pyqt5

# needs to be imported first from from PyQt5.QtWidgets
from PyQt5.QtWidgets import QPushButton
btn = QPushButton("button1") # create it

# now you can add it to your layout
layout = QHBoxLayout() # from PyQt5.QtWidgets import QHBoxLayout
layout.addWidget(btn)
# or you can just add it to the window itself like:
btn = QPushButton("button1", self)

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