2.4 Lets start with Colab notebooks

Please try the following:

Printing to screen

print('Hello World! '*10)
## Hello World! Hello World! Hello World! Hello World! Hello World! Hello World! Hello World! Hello World! Hello World! Hello World!

Maths

1+1
## 2

## 2

Modules

sqrt(9)

Error!

import numpy as np                    # Let's add functionality by importing a package called numpy

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

## 3.0

Lists

names = ['Yih-Cherng','Chammika','Zhi Han','Linda','Robert','Max','Hai Xiang','Jing Xian']

Example 1

names[3]
## 'Linda'

## Linda

Example 2

names[0]
## 'Yih-Cherng'

## Yih-Cherng

Example 3

names[-1]
## 'Jing Xian'

## Jing Xian

Example 4

names[0].upper()
## 'YIH-CHERNG'

## YIH-CHERNG

Example 5

names[0].lower()
## 'yih-cherng'

## yih-cherng