Computer Science Circles (3:Comments and Quotes ~ 5:Input)

Today, I learnt:

3:Comments and Quotes
Python ignore program after # sign.
It usually use explain parts of the program for me or other people.
If you want to print " this sign, you put \ (backslash) before " or ' .

4:Types
The word is 'str', whole number is 'int', decimal number is 'float'.

5:Input
The input() function takes no srguments and always gives back a 'str'.