Summary  
This chapter introduces the use of the print function and simple for loops to display strings and numbers, illustrating how to output data and iterate over a range in code.

General domain of usage  
Data analysis

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)

dXNpbmcgbmFtZXBzYWNlIHN0ZDsKCnZvaWQgbWFpbiB7CiAgY291dCA8PCAiemplcXciIDw8IGVuZGw7Cn0K

Maybe negr

Some title 

Can be deleted, user just for local testing 

Chapter 2