PROGRAMMING:Defining classes and creating objects

Define a class person, define name and age attributes, and define a construction method with parameters to initialize name and age. In the test class, create two objects of this class, whose names and ages are Lili, 19 and Lucy, 20 respectively. Print out the names and ages of the two objects on the screen.
###Input format:
There is no input for this topic
###Output format:
Output a person's name and age in one line
###Input example:
Here is a set of inputs. For example:
```in
```
###Output example:
The corresponding output is given here. For example:
```out
this person is lili,her age is 19
this person is lucy,her age is 20
```







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