一句话打印'*'图案(列表推导式, 人生苦短, 我用Python)

    # coding=utf-8

    print ('\n'.join(['*'*6 for i in range(4)])) 

    # ******
    # ******
    # ******
    # ******

    print ('\n')
    print ('\n'.join(['*'*(i*2+1) for i in range(4)])) 

    # *
    # ***
    # *****
    # ******* 

    print ('\n')
    print ('\n'.join([('*'*(i*2+1)).center(7, ' ') for i in range(4)])) 

    #    *
    #   ***
    #  *****
    # *******

    print ('\n')
    print ('\n'.join([('*'*(abs(i-3)*2+1)).center(7, ' ') for i in range(4)]))

    # *******
    #  *****
    #   ***
    #    *   

    print ('\n')
    print ('\n'.join([('*'*([i,abs(i-6)][i>3]*2+1)).center(7, ' ') for i in range(7)])) 

    #    *
    #   ***
    #  *****
    # *******
    #  *****
    #   ***
    #    *   

    print ('\n')
    print ('\n'.join(['*'*([i,abs(i-6)][i>3]*2+1) for i in range(7)]))

    # *
    # ***
    # *****
    # *******
    # *****
    # ***
    # *        

    input("nnnnn....")

    # nnnnn....
    ```