If this is related to sololearn, please help

Question

I have a QComboBox with 4 options. I'd like to choose an option and the corresponding data from Sqlite3 displays on the QTableWidget. No documentation online has helped. Somebody help please.
Code:
https://code.sololearn.com/WLLbDNcB05bE/#html

Answer 1

https://code.sololearn.com/WLLbDNcB05bE/#html

Answer 2

@Tashi N, have you done something on it, can't see.

Answer 3

Okay, thanks.

Answer 4

def fetch_learner_data_from_combo(self):
connection= sqlite3.connect("mydb.db")
querry = "SELECT * FROM learner_data WHERE STREAM="+str(self.stream_combo.currentText())
result = connection.execute(querry)
self.marks_table.setRowCount(0)
for row_number,row_data in enumerate(result):
self.marks_table.insertRow(row_number)
for column_number,data in enumerate(row_data):
self.marks_table.setItem(row_number,column_number,QTableWidgetItem(str(data)))
connection.commit()
connection.close()

Answer 5

I added the code to the description to help you to receive useful answers.