python矩形问题

x = input('请输入一个整数：')
cnt = int(x)
for i in range(cnt):
        print('*'*cnt)

rows = int(input("请输入一个整数："))
for i in range(0, rows):
    for k in range(0, rows):
        print("*", end='')
        k += 1
    i += 1
    print()

num = int(input('请输入一个整数：'))

for i in range(0,num):
    print('*'*num)

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