Make sure scanner name doesn’t exist already

Question

https://code.sololearn.com/cst0Pq4F1Cd7/?ref=app

Answer 1

Check line by line you will get where are the problems.

Answer 2

Many mistakes in code:
1 - Indentation problem
2 - parenthesis () should be use with print function
print ("xyz")
3 - colon (:) should be after each conditional statement and function declaration name
if True:
print ("xyz")
def abc():
4 - return should not be use without function
5 - print statement should not be after return statement.

Answer 3

What lines? How would you write the function to make sure the scanner does not exist in the table already?