# Mathematics with Python and Ruby/Numbers

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The *Python* language is weakly typed, which means that it determines the type of a variable at the moment of first allocation (its instantiation). *Python* possesses five categories of numbers:

*int*for whole numbers;*long*for large whole numbers;*fraction*for fractions (divisions of whole numbers);*decimal*and*float*for real numbers (in reality, decimal numbers);*complex*for complex numbers.