what's -U in python code example

Example 1: operators in python

# Python Operators
Operator	Name			Example
+			Addition		x + y	
-			Subtraction		x - y	
*			Multiplication	x * y	
/			Division		x / y	
%			Modulus			x % y	
**			Exponentiation	x ** y	
//			Floor division	x // y

Example 2: and in python

#And opreator in python

a = 12
b = 56

print(a and b * 12)