Updated: May 23, 2021
Program:
a=int(input("Enter a number: "))
sum = 0
while(a > 0):
sum=sum+a
a=a-1
print("The sum of natural numbers is",sum)
Output:
Enter a number: 5
The sum of natural numbers is 15
Python program to print sum of n natural numbers video:
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>
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
