and operator in python

Python Difficulty Level: Basic Understanding the Difference Between 'and' and '&'
The most recent update was made on January 25, 2021.

While and is a Logical AND operator in Python that returns True if both of the operands are true, the bitwise operator (&) is a bitwise operator in C that acts on bits and performs a bit by bit operation.

When an integer value is zero, it is treated as False; otherwise, it is treated as True when applied logically.

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Example:

# This is a Python program to show you how

# what is the distinction between and, &

# symbol is used to indicate a number.

14 is the value of a.

b = 4 is the answer.

print(b and a) # print stat1 # print stat2

print(b & a) # print stat2 # print stat1

Output:

14

4

The reason for this is because 'and' evaluates if both expressions are logically True, whereas '&' performs a bitwise AND operation on the outcome of both statements, and

Compiler determines whether or not the first statement is True in print statement 1. If the first statement is False, the second statement is not checked, and the result is returned immediately as False. This is referred to as "lazy evaluation." After checking whether or not the first condition is true, the second condition is verified, and according to the rules of the and operator in python, true is returned only if and only if both conditions are satisfied. As shown in the preceding example, after checking the first statement, which is True because the value of b is 4, the compiler continues on to the second statement, which is also True since the value of an is 14. This is the case because the value of b is 4. As a result, the result is also 14.

In print statement 2, the compiler performs a bitwise & operation on the results of the previous statements in the print statement. The following is how the statement is evaluated in this case:

0000 0100 is the binary value of 4 and 0000 1110 is the binary value of 14. The number 4 is represented by the number 14. When we do the operation bitwise, we get the following result:

0000 0100 0000 0100 0000 0100 0000 0100

& is equal to 0000 0100 = 4.

0000 1110 is a telephone number.

As a result, the output is 4.

We can use another example to further illustrate our point.

Example:

# This is a Python program to show you how

# what is the distinction between and, &

# symbol is used to indicate a number.

a and b = 9 and 10

1st line: print(a and b)

a and b are printed in the second line.

Output:

8

10

The first line performs a bitwise AND on the variables a and b, and the second line evaluates the statement contained within print and prints the result.

In line 1, the values of a and b are 1001 and 1010, respectively. Using the & operator on a and b yields 1000, which is the binary equivalent of the decimal value 8.

When the expression 'a and b' is evaluated in line 2, the expression an is evaluated first; if an is False (or Zero), its result is returned instantly due to the "lazy evaluation" described above; otherwise, the expression b is evaluated. If b is also non-zero, the result is returned as the result of the operation. As previously stated, it returns the value b because it is the last value reached when determining whether or not the statement is true.

As a result, the use of boolean and the word 'and' is recommended when creating a loop.

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