#  created : 20250113

#  https://www.scientecheasy.com/2022/10/logical-operators-in-python.html/

#  x > y and y > z # Two relational expressions combined by a logical and operator.

#  Types of Logical or Boolean Operators in Python
# and
#  or 
#  not

# Logical AND Operator

x, y = 10, 5
result = (x == 10 and y == 5) 

print(result)

True

result = (x == 10 and y > x)
print(result)

False

result = (x < y and y > x)
print(result)

False

x, y, z = 20, 10, 25

if(x > y and y > z):
    print("Hello")
if(z > y and y < x):
    print("Python")
if((y+200) < x and (y+150) < z):
    print("Hello Python")

Python

x = (15 < 20) and ("pen" < "pencil")
y = ("Big" < "bigger") and (True != 1)
z = ("A" <= "A") and ("a" != "a")
print("x: ", x)
print("y: ", y)
print("z: ", z)

x:  True
y:  False
z:  False

p = True and True
q = False and True
r = 'a' and 'b'
s = False and 'a'
t = 'a' and True

print("p: ", p)
print("q: ", q)
print("r: ", r)
print("s: ", s)
print("t: ", t)

p:  True
q:  False
r:  b
s:  False
t:  True

p = (True == 1) and (False == 0)
q = ("2" != 2) and (2 == 2)
r = ("5+5" == 5+5) and True
s = (False == 0) and (5 > 2)
t = (10 + True >= 10) and False

print("p: ", p)
print("q: ", q)
print("r: ", r)
print("s: ", s)
print("t: ", t)

p:  True
q:  True
r:  False
s:  True
t:  False

#  Logical OR Operator

print((2 == 2) or (3 > 5))

True

print((5 > 18) or (3 != 9))

True

print((4 == 4) or (5 < 9))

True

print((4 < 2) or (2 == 1))

False

print((3 != 3) or (3 >= 9))

False

x, y, z = 20, 10, 5

if(x > y or y > z):
    print("Python")

Python

if(z > y or y < x):
    print("JavaScript")

JavaScript

if((y+20) < x or (z+15) < y):
    print("Java")
else: 
    print("No java")

No java

x, y, z = 10, 5, 20

if((x > y) or ( y == z)):
    print("One")

One

if((x == y) or (y < z )):
    print("Two")

Two

if((x != y) or (y != z)):
    print("Three")

Three

if((x < y) or (y > z)):
    print("Four")

a = ("big " != "bigger") or False
print("a: ", a)

a:  True

b = True or False
print("b: ", b)

b:  True

c = "a" or D
print("c: ", c)

c:  a

d = ("ABc" > "abC") or False
print("d: ", d)

d:  False

p = (True == 1) or (False == 0)
q = ("2" != 2) or (2 == 2)
r = ("5+5" == 5+5) or False
s = (False == 0) or (5 > 2)
t = (10 >= True) or False

print("p: ", p)
print("q: ", q)
print("r: ", r)
print("s: ", s)
print("t: ", t)

p:  True
q:  True
r:  False
s:  True
t:  True

#  Logical NOT Operator

if(not(2 > 5)):
    print("I love Python Programming")

I love Python Programming

print(not(5 == 5))

False

print(not(False)) 

True

print(not(True)) 

False

#  Example Program based on Logical NOT Operator

a = not("ABc" > "ABC") or False
print("a: ", a)

a:  False

b = not(True) or not(False)
print("b: ", b)

b:  True

c = (True >= 0) or not(20 == 20)
print("c: ", c)

c:  True

d = not("5" == 10) and not(False and (10 != 20))
print("d: ", d)

d:  True

a = not("abc" < "ABCD") and not(False)
print("a: ", a)

a:  True

b = not True and not False
print("b: ", b)

b:  False

c = not("20" == 20) and not(True == False)
print("c: ", c)

c:  True