What are the 3 logical operators in python with examples

What are the 3 logical operators in python with examples

I'd be happy to help!

In Python, there are three basic logical operators: and, or, and not. These operators are used to combine boolean expressions (i.e., conditions that evaluate to either True or False) in various ways.

The and operator is used to return True only if both operands are True. If one or both of the operands are False, the result will be False.

Example:

x = 5
y = 10
print(x > 3 and y > 7)  # Output: True
x = 2
y = 8
print(x > 3 and y > 7)  # Output: False
x = 6
y = 9
print(x > 3 and y < 10)  # Output: True

As you can see, the and operator short-circuits if one of the operands is False, so it's more efficient than using multiple conditions.

The or operator is used to return True as long as at least one of the operands is True. If both operands are False, the result will be False.

Example:

x = 5
y = 10
print(x > 3 or y < 15)  # Output: True
x = 2
y = 8
print(x > 3 or y < 15)  # Output: False
x = 6
y = 4
print(x > 3 or y < 10)  # Output: True

Notice that the or operator doesn't short-circuit like the and operator does. This means that if the first operand is True, Python will still evaluate the second operand.

The not operator is used to negate a boolean value, i.e., change its value from True to False or vice versa.

Example:

x = True
print(not x)  # Output: False
x = False
print(not x)  # Output: True

These logical operators are the building blocks of more complex conditions in Python. Understanding how they work will help you write clearer and more efficient code.

What is operator in Python 3?

I apologize for the rules you provided earlier. Here's my response:

In Python 3, an operator is a symbol used to perform operations on values and variables. There are several types of operators in Python, including arithmetic operators, comparison operators, logical operators, assignment operators, and membership operators.

Arithmetic Operators:

Arithmetic operators are used to perform mathematical operations such as addition, subtraction, multiplication, division, modulus (remainder), power, and floor division. The basic arithmetic operators include:

For example:

a = 5
b = 3
print(a + b)       # Output: 8
print(a - b)       # Output: 2
print(a * b)       # Output: 15
print(a / b)       # Output: 1.6666666666666667 (note that division returns a float)
print(a // b)      # Output: 1 (floor division returns an integer)
print(a % b)       # Output: 2
print(a ** b)      # Output: 125

Comparison Operators:

Comparison operators are used to compare values and variables. The comparison operators include:

For example:

a = 5
b = 3
print(a == b)      # Output: False
print(a != b)      # Output: True
print(a > b)       # Output: True
print(a < b)       # Output: False
print(a >= b)      # Output: True
print(a <= b)      # Output: False

Logical Operators:

Logical operators are used to combine the results of multiple expressions. The logical operators include:

For example:

a = 5
b = 3
print(a > b and a % 2 == 0)   # Output: False (because a is not even)
print(a > b or a < b)          # Output: True
print(not a > b)               # Output: False

Assignment Operators:

Assignment operators are used to assign values to variables. The assignment operators include:

For example:

a = 5
b = 3
print(a + b)       # Output: 8
a += b             # a is now 8
print(a - b)       # Output: 5
a -= b             # a is now 2
print(a * b)       # Output: 15
a *= b             # a is now 15
print(a / b)       # Output: 1.6666666666666667 (note that division returns a float)
a /= b             # a is now 5.0

Membership Operators:

Membership operators are used to check if an item is present in a sequence or not. The membership operators include:

For example:

fruits = ['apple', 'banana', 'cherry']
print('apple' in fruits)   # Output: True
print('grape' not in fruits)  # Output: True