PicoCTF - convertme.py

First, download the convert.py file. Run it with the folllowing command.

python3 convert.py

You are prompted with the following text.

If 15 is in decimal base, what is it in binary base?

Every decimal number has a representation in a binary form. For example, take the number 3, which is in the decimal format. In the binary form it is equal to ‘11’.

If you want to learn about this, I recommend look at the table below.

Decimal/Binary Conversion Table - Exploring Binary

Binary Numbers, Binary Code, and Binary Logic

Exploring Binary | Binary Numbers, Binary Code, and Binary LogicRick Regan

python3
print(bin(15)[2:])

The program above converts the decimal number ‘15’ to it’s binary representation. Enter that value as an answer to the convert.py file.

Nice, you’ve got the flag!