# Logical operators in python

Logical operators return either True or False depending on the value of the operands. They’re used when testing for a value. Moreover, it is also used in the decision-making process when the condition is more than one.

In this blog, you will learn about three types of logical operators with an example;

##### 1. Logical AND operator

If both the operands are true then the condition becomes True.

Example:

```>>> num1 = 23
>>> num2 = 31
>>> num1 > 20 and num2 < 33
True
>>> num1 > 24 and num2 >32
False
```

More example to demonstrate logical AND operator;

```a = 10
b = 15
if a == 10 and b == 15:
print("Condition is True")
print(f"{a=} and {b=}")
else:
print("a and b are not equal to 10 and 15.")
```

Output:

```Condition is True
a=10 and b=15
```

Note: Else statement will be executed only if the condition fails.

##### 2. Logical OR operator

Returns True if one of the statements is true. Returns False if both the statements or conditions are false.

Example:

```>>> num1 = 23
>>> num2 = 31
>>> num1 > 20 or num2 == 40
True
>>> num1 > 30 or num2 < 30
False
```

More example to demonstrate logical OR operator;

```day = str(input("Enter a day:")).title()
if day == "Saturday" or day == "Sunday":
print("Happy weekend!")
else:
print("You should be present at the school.")
```

Possible output:

```# If the user enters Saturday
Enter a day: Saturday
Happy weekend!

# If the user enters Sunday
Enter a day: Sunday
Happy weekend!

# If the user enters Monday
Enter a day: Monday
You should be present at the school.

```

##### 3. Logical NOT operator

Used to reverse the logical state of its operand. Returns False if the result is true.

Example:

```>>> num1 = 23
>>> num2 = 31
>>> num1 > 20 and num2 > 30
True
>>> not(num1 > 20 and num2 > 30)
False

```

More examples to demonstrate on logical NOT operator;

```# program to check on eligibility to vote
# logical NOT operator
age = int(input("Enter age:"))
if not age < 18:
print("Eligible to vote!")
else:
print("Not eligible to vote!")
```

Possible output:

```# If the age is below 18
Enter age:17
Not eligible to vote!

# If the age is above 18
Enter age:30
Eligible to vote!
```

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Other operators used are:

Python official documentation