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 \'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())

print("hello" + " " + "world")

C:\Users\FeiLiu\AppData\Local\Programs\Python\Python36\python.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

aabc

ABC

abc2

hello world