

def print_lyrics():
    print("jestem")
    print("spie")
    
print_lyrics()
    

    
def repeat_lyrics():
    print_lyrics()
    print_lyrics()

repeat_lyrics()    
    
def print_twice(bruce):
    print(bruce)
    print(bruce)
    
def cat_twice(part1,part2):
    cat = part1+part2
    print_twice(cat)

x=[2,4,6]  
  
part1=x[0]**2
part2=2*x[0]**2+x[0]   
cat = part1+part2
print_twice(cat)
print(x[0],part1,part2)


result=print_twice('bum')
print(result)
print(type(None))