函数的嵌套使用

函数的嵌套使用

def print_line():
	print("*" * 50)
print_line

def print_line(char):
	print(char * 50)
print_line("-")

def print_line(char, times):
    print(char * times)
print_line("-",40)

def print_line(char, times):
    print(char * times)


def print_lines(char, times):
    row = 0
    while row < 5 :
        print_line(char,times)
        row += 1


print_lines("-",20)