What does the following Python program print to the screen when executed?

Wat druk die volgende Python program na die skerm wanneer dit uitgevoer word?

#--------------------------------
#ifexample1.py
import stdio
def main():
    X = 3
    Y = 7
    X = X + Y
    Y = X - Y
    X = X - Y
    if not (3*X < 2*Y):
       X = 4*X + 3*Y
       Y = X*X + Y
    else:
       Y = Y*Y + 2*X**2
       X = X - Y
    stdio.writeln(str(X)+" "+str(Y))
if __name__ == "__main__": main()
#--------------------------------

What is printed to the screen if the following command is executed?

Wat word na die skerm gedruk as die volgende bevel uitgevoer word?

python3 usethree.py 2 1
#--------------------------------
#usethree.py
import stdio
import sys
def main():
    if int(sys.argv[1])<int(sys.argv[2]):
       stdio.writeln("Hello "+sys.argv[1])
    else:
       stdio.writeln("Hello "+sys.argv[2]) 
if __name__ == "__main__": main()
#--------------------------------

How many syntax errors does the following program contain?

Hoeveel sintaksfoute bevat die volgende program?

#--------------------------------
#usethree.py
import Stdio
import sys
Def Main():
    stdio.Writeln("Hello "sys.argv[3]+", "+sys.argv[2]+" and "+sys.argv[1])
if _name__ == "__main__": Main()
#--------------------------------