Program:
n = int(input("Enter Positive Number : "))
sum = 0
sum= ((n*n)*(n+1)*(n+1))/4
print("The Sum of Series is",sum)
Output:
Enter Positive Number : 2
The Sum of Series is 9.0
Python Program to find largest element from list: list = [] num = int(input("Enter number of elements in list: ")) for i in range(1, num + 1): a = int(input("Enter elements: ")) list.append(a) print("
Python program count the number of alphabets, lowercase letters, uppercase letters, digits and words
write a function that reads the contents of the String and counts the number of alphabets, lowercase letters, uppercase letters, digits and no of words. def count(str): alpha, uppercase, lowercase, di
def decitobin(n): if n > 1: decitobin(n // 2) print(n % 2,end='') num = int(input("Enter any decimal number: ")) decitobin(num) Output: Enter any decimal number: 42 > 101010>
