Question

If n is an integer greater than 0, n factorial (n!) is the product: n* (n-1) * (n-2) * ( n-3)… * By convention, 0! = 1. You must write a program that allows a user to enter an integer between 1 and 7. Your program must then compute the factorial of the number entered by the user. Your solution MUST actually perform a computation (i.e., you may not simply print “5040” to the screen as a literal value if the input is 7). design a flowchart and pseudocode for the following question.

Answer 1

Code

n = int (input ('Enter an integer between 1 and 7: '))
F = 1
for M in range (1, n + 1) :
F *= M
print ('%d! = %d' % (n, F))

output

code snaps

flowChart

Pseudocode for Factorial of a number :

Step 1: Declare M and F as integer variable.

Step 2: Initialize F=1 M=1.

Step 2: Enter the value of N.

Step 3: Check whether N Between 1 and 7.

Step 4: If yes then, F=F*N

Step 5: Increament the value of M by 1 .

Step 6: Repeat step 4 and 5 until N==M.

Step 7: Now print the value of F.

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