this is very important program. It saves the world from aliens!

just_lines_and_slashes_dance.py

def ascendant():
    x = "\\"
    c = 1
    for i in range(0,20):
    
        print(x*c)
        c += 1

def line():
    print("-"*20)

def descendant():
    x = "/"
    c = 20
    for i in range(0,20):

        print(x*c)
        c -= 1
        
while True:

    ascendant()
    descendant()