You can also use Rational(1/2) but sometimes unexpected things can happen due to Python converting the division to binary, then a decimal, then a sympy.Rational. To avoid weird behaviour pass input ...

Understanding these fundamental concepts is crucial for writing effective Python code and working with data in a variety of formats. The code shows how to work with strings, numbers, and various ...

Requires the packages pyqrcode, pypng, and PIL, and has been tested in Python 2.7.3 in Windows and Linux, 3.2.3 in Linux, and 3.4.3 in Windows 64-bit. The following 3 lines in qr_code_label.py provide ...