#  created : 20250316

#  

def access_list_element(lst, index):
    try:
        print("Element:", lst[index])
    except IndexError:
        print("Error: Index out of range.")
    except TypeError:
        print("Error: Invalid index type.")

# Example usage
access_list_element([1, 2, 3], 1)

Element: 2

access_list_element([1, 2, 3], 5)

Error: Index out of range.

access_list_element([1, 2, 3], "a")

Error: Invalid …

#  created : 20250125

#  https://www.scientecheasy.com/2022/10/for-loop-in-python.html/

num = int(input('Enter a number: '))
even = 0
odd = 0
for x in range(num):
    if x % 2 == 0:
        even = even + x
    else:
        odd = odd + x
print('Sum of even numbers = ',even)
print('Sum of odd numbers = ',odd)

Enter a …

#  created : 20250125

#  https://www.scientecheasy.com/2022/10/while-loop-in-python.html/

num = int(input('Enter a number: '))
sum = 0
remainder = 0
while num != 0:
    remainder = num % 10
    sum = sum + remainder
    num = int(num / 10)
print('Sum of all digits in number = ', sum)

Enter a number:  5


Sum of all digits in …

#  created : 20250113

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

#  python operators 

#  arithmetic operators

x = 20
y = 30
sum = x + y 

print("Sum: ", sum) 

Sum:  50

#  Type Conversion in Addition Calculation

x = 20 # an integer value.
y = 30.60 # a float value.
sum = x + y # Adding two numbers with + operator …

def is_armstrong(num):
    temp = num
    sum_of_cubes = 0
    while temp > 0:
        digit = temp % 10
        sum_of_cubes += digit ** 3
        temp //= 10
    if sum_of_cubes == num:
        print(num, "is an Armstrong number.")
    else:
        print(num, "is not an Armstrong number.")

is_armstrong(153)

153 is an Armstrong number.

is_armstrong(123)

123 is not an Armstrong number …

#  created : 20250113

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

# Assignment Operators in Python

# Simple Assignment

x = 20
y = 50
z = x + y + 2

print("Result = ", z)

Result =  72

# x += y  It is equivalent to x = x + y.

x = 20
y = 5
z = 10
x += y

print("Result of (x …

#  created : 20250113

#  https://www.scientecheasy.com/2022/10/bitwise-operators-in-python.html/
#  https://chatgpt.com/share/678524a9-cd24-8012-a475-2b7098cd8750

# Bitwise Operators in Python

# &     Bitwise AND                 Binary
# |     Bitwise OR                  Binary
# ^     Bitwise XOR (Exclusive OR)  Binary
# ~     Bitwise NOT                 Unary
# <<    Bitwise Left Shift          Binary
# >>    Bitwise Right Shift         Binary

# Bitwise AND operator (&)

A = 2
B = 6
result = A …

#  created : 20250316

#  https://www.scientecheasy.com/2022/11/break-statement-in-python.html/

# Example Program based on Break

# Use of break statement inside the for loop.
for x in range(1, 11):
    if x == 5:
        break # Breaking a loop.
    print("X = ",x)

X =  1
X =  2
X =  3
X =  4

# Use of break …

#  created : 20250321

#  https://www.scientecheasy.com/2022/12/calling-a-function-in-python.html/

# Execution Style of Calling a Function in Python

# Function definition.
def funct_name(): # function header.
    print('This function does not contain any parameter.')
# Main program execution started from here.
funct_name() # function calling.

This function does not contain any parameter.

# Function definition …