Learn Python In a Weekend, Python for Beginners

use square brackets [ ] when declaring a list.

The %f formatter is used to format floats (numbers with decimals). Here we format it as %4.2f where 4

brand = ‘Apple’ exchangeRate = 1.235235245
message = ‘The price of this %s laptop is %d USD and the exchange rate is %4.2f USD to 1 EUR’ %(brand, 1299, exchangeRate)

Peter’.upper() will give us the string “PETER

Peter” + “Lee” is equivalent to the string “PeterLee”

To declare a string, you can either use variableName = ‘initial value’ (single quotes) or variableName = “initial value” (double quotes)

Instead of writing x = x + 2, we can also write x += 2

Modulus: x%y = 1 (gives the remainder when 5 is divided by 2)

variable names are case sensitive. username is not the same as userName

We can also define multiple variables at one go. To do that simply write
userAge, userName = 30, ‘Peter’
This is equivalent to
userAge = 30 userName = ‘Peter