循环嵌套

for i in range(1,19):
    print(f"------{i}层------")
    if i==4:
        continue
    for j in range(1,7):
        if i==5 and j==5:
            print("beibei")
            break
        
    
        
        print(f"l{i}--{i}--{j}室")