added file explorer dialog box script

File-Explorer-Dialog-Box/README.md

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+# File Explorer Dialog Box in Python
+
+## 1. Using tkinter
+
+Just run
+
+```
+$ python select_file_tk.py
+```
+
+## 2. Using PyQt
+
+Install [PyQt5](https://pypi.org/project/PyQt5/)
+
+
+Just run
+
+```
+$ python select_file_pyqt.py
+```

File-Explorer-Dialog-Box/select_file_pyqt.py

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+from PyQt5.QtWidgets import QFileDialog, QApplication
+from PyQt5 import QtWidgets
+
+
+def select_files(directory_location=None):
+	qtapp = QApplication([directory_location])
+	qtwgt = QtWidgets.QWidget()
+	filenames, _ = QFileDialog.getOpenFileNames(qtwgt)
+	return filenames
+
+
+def main():
+	filenames = select_files()
+	print("You selected:\n", "\n".join(filename for filename in filenames))
+
+
+if __name__ == "__main__":
+	main()

File-Explorer-Dialog-Box/select_file_tk.py

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+import tkinter as tk
+from tkinter import filedialog
+
+root = tk.Tk()
+root.withdraw()
+
+file_path = filedialog.askopenfilename()
+print(file_path)