1.使⽤循环打印以下效果: 1: * ** *** **** ***** for num in range(1,6): print('*' * num) 2: ***** **** *** ** * for num in range(5,0,-1): print('*' * num) 3: * *** ***** ******* ********* counter = 1 for num in range(1,6): print('*' * counter) counter += 2 for n…