n=123

f=123.456

s1="'Hello,world'"

s2="'Hello,\\'Adam\\''"

s3="r'Hello,\"bart\"'"

s4="r'''hello,\nLisa!'''"

print('n=',n)

print('f=',f)

print('s1=',s1)

print('s2=',s2)

print('s3=',s3)

print('s4=',s4)