What does <> mean in Python?
It means not equal to.
It was taken from ABC (python’s predecessor) see here: x < y, x <= y, x >= y, x > y, x = y, x <> y, 0 <= d < 10.
Order tests ( <> means ‘not equals’).
What does  in python mean?
 is an empty list.
Can Python use symbolic math?
SymPy is a Python library for symbolic mathematics. It aims to become a full-featured computer algebra system (CAS) while keeping the code as simple as possible in order to be comprehensible and easily extensible. SymPy is written entirely in Python.
What does %d mean in Python?
%s is used as a placeholder for string values you want to inject into a formatted string. %d is used as a placeholder for numeric or decimal values. For example (for python 3) print (‘%s is %d years old’ % (‘Joe’, 42))
Can I use != In Python?
You can use “!= ” and “is not” for not equal operation in Python. The python != … Python is dynamically, but strongly typed , and other statically typed languages would complain about comparing different types .
What does the symbol do in Python?
What does the “at” (@) symbol do in Python? In short, it is used in decorator syntax and for matrix multiplication. where dot is, for example, the numpy matrix multiplication function and a and b are matrices.
What does != Mean in Python?
PythonServer Side ProgrammingProgramming. In Python != is defined as not equal to operator. It returns true if operands on either side are not eual to each other, and returns false if they are equal.
What is difference between and in Python?
and is a Logical AND that returns True if both the operands are true whereas ‘&’ is a bitwise operator in Python that acts on bits and performs bit by bit operation. When an integer value is 0, it is considered as False when using logically.
Is && used in Python?
There reason that you get a SyntaxError is that there is no && operator in Python. Likewise || and ! are not valid Python operators. Some of the operators you may know from other languages have a different name in Python. The logical operators && and || are actually called and and or .