Summary  
This chapter introduces how to use printing to output data and basic for loops to iterate over sequences in code.  

General domain of usage  
Task automation

Some mark 23

```js
qweqwe
wqeqweqwe
```
qweqweqe
qwewqewqewqewqewqeqwe
qwewqewqeqwewqeqwe
wqe
qwe
qwe
qwe
qwe
qw
ewq
eqw
e
qwe

print("hello world")

# Basic for loop example
for i in range(5):
    print(i)

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Maybe negr

Some title 

Can be deleted, user just for local testing

Test course for anything

Chapter 2