REM function is called instead of DIV

[palatinb]

Short description	REM function is called instead of DIV
Expected operation	DIV function should be called when we call the DIV operator
Experienced operation	REM function is called
Reproductive steps	After running the DIV operation it can be reproduced the error
Error location	test-automation-engineer-python-junior/icalc.py Line 27 in 865c772 print(self.cal.rem(*parse(arg)))
Test result	Not OK
Priority	High