This document provides code snippets to print the Fibonacci series in C, C++, Java, and Python languages. It also mentions calculating the factorial of a number. The Fibonacci series code uses a while loop to iterate values where each value is the sum of the previous two values until the sum exceeds the given number. It shows assigning values between variables a, b, and sum on each iteration in the different languages.

1. 1. Fibonacci series
C
while(sum <= n)
{
printf("%d ", sum);
a = b;
b = sum;
sum = a + b
}
C++
while(sum <= n)
{
cout << sum << " ";
a = b;
b = sum;
sum = a + b;
}

2. JAVA
while(sum <= n)
{
System.out.print(sum + " ");
a = b; // swap elements
b = sum;
sum = a + b;
}
PYTHON
while(sum <= n):
print(sum, end = " ")
a = b
b = sum
sum = a + b

3. 2. Factorial of a number.