Question

i. Write a python program to calculate the factorial value of a given

number. The number must be entered by the user.

ii. Write a Python program to print the following pattern :

1

1 2

1 2 3

1 2 3 4

1 2 3 4 5​

Answer 1

Answer

num = input('Enter the number which needs to be factorialized")

factorial = 1

# check if the number is negative, positive or zero

if num < 0:

print("Sorry, factorial does not exist for negative numbers")

elif num == 0:

print("The factorial of 0 is 1")

else:

  for i in range(1,num + 1):

      factorial = factorial*i

  print("The factorial of",num,"is",factorial)

Pattern Program:

rows = 6

for num in range(rows):

   for i in range(num):

       print(num, end=" ")  # print number

   # line after each row to display pattern correctly

   print(" ")

Explanation:

Answer 2

Explanation:

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