小白求助，关于练习题s3、s4

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#1 Created at ... [Delete] [Delete and Lock User]

我仿照s3的代码

s3 = "r'Hello，\"Bart\"'"
print('s3 =',s3)

将s4代码从

s4 = r'''Hello,
Lisa!'''
print('s4 =',s4)

改为

s4 = "r'''Hello,
Lisa!'''"
print('s4 =',s4)

提示错误：SyntaxError: invalid character in identifier

只知道""与'''...'''冲突，但是不知道怎么改

#2 Created at ... [Delete] [Delete and Lock User]

print(r"""n = 123 f = 456.789 s1 = 'Hello, world' s2 = 'Hello, \'Adam\'' s3 = r'Hello, "Bart"' s4 = r'''Hello, Lisa!'''""")

#3 Created at ... [Delete] [Delete and Lock User]

s4 = "r'''Hello,\nLisa!'''" print('s4 =',s4)

#4 Created at ... [Delete] [Delete and Lock User]

今天回顾时候才看到回答，已经清楚了，感谢