Factorial Program in Python | Sum of Natural Number in Python | Largest Number Program in Python

Factorial Program in Python | Sum of Natural Number in Python | Largest Number Program in Python | Learn Python with Awesome Examples in Hindi

# Write a Program to find Sum of Natural numbers in Python
num = int(input("Enter the Number: "))
if num &lt 0:
print('no. is negative')
else:
sum = 0
while (num &gt 0): #num is 7
sum += num #0+7=7, 7+6=13
num -= 1 #7-1=6, 6-1=5
print('Sum: ', sum)

# Write a Program to find Largest number among three natural numbers
a = 5
b = 10
c = 2
if a &gt b and a &gt c:
print("A is Largest")
elif c &gt a and c &gt b:
print("C is Largest")
else:
print("B is Largest")

# Write a Program to find Factorial of a number
num = int(input("Enter a number: "))
factorial = 1
if num &lt 0:
print('Factorial Does not exist')
elif num == 0:
print(factorial)
else:
for i in range(1, num+1):
factorial = factorial * i # 5*4*3*2*1 = 120
print(f'Factorial of {num} is {factorial}')

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