2.5 Some feature of the lanuage

2.5.1 Brackets

Use Example
() Maths (1+2)*5
() Functions print('Hello!')
[] Lists my_list[1]

2.5.2 The dot (.)

The dot(.) represents ownership.

np.sqrt(9)                           # Lets try again
## 3.0

The dot(.) just tells us that the square root function (sqrt) belongs to np.