test'" print(str1) str1 = 'This is a "test"' print(str1) str1 = "This is a "test"" print(str1) str1 = 'This is a 'test' ' print(str1) str1 = "This is a single string" print(str1) ''' len() lower() upper() str() ''' print(len("abc")) print("aAbc".lower()) print("abc".upper()) print("abc" + str(2)) print("hello" + " " + "world")

result:

C:UsersFeiLiuAppDataLocalProgramsPythonPython36python.exe C:/Users/FeiLiu/PycharmProjects/GetBluePageInfo/src/stringTest.py
This is a 'test'
This is a "test"
This is a "test"
This is a 'test' 
This is a single string
3
aabc
ABC
abc2
hello world

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