Y-组合子是个啥东西以后再说。
现在给出两个函数,但是他们有相同的输出。
def print_grid(x_cell,y_cell,length):
s = "+"+("-"*(length-2)+"+")*x_cell
k = ("|"+(" "*(length-2)+"|")*x_cell+"\n")*(length-2)+s
if y_cell==0: return print(s)
print_grid(x_cell,y_cell-1,length)
print(k)
length = 6
x_cell = 3
y_cell = 4
(lambda x_cell: (lambda length: (lambda f: (lambda y: (f(f)(y-1),print(("|"+(" "*(length-2)+"|")*x_cell+"\n")*(length-2)+"+"+("-"*(length-2)+"+")*x_cell)) if y>0 else print( ("+"+("-"*(length-2)+"+")*x_cell) )))((lambda f: (lambda y: (f(f)(y-1),print(("|"+(" "*(length-2)+"|")*x_cell+"\n")*(length-2)+"+"+("-"*(length-2)+"+")*x_cell )) if y>0 else print(("+"+("-"*(length-2)+"+")*x_cell)))))))(x_cell)(length)(y_cell)