Problem 5. (Greatest Common Divisor) Write a program gcd. py that accepts p (int) and q (int) as command-line arguments, and writes to standard output the greatest common divisor (gcd) of p and q.

The following are the program in the Python Programming Language.

#import system

import sys

#define function

def gcd(p,q):

 #check that q is equal to 0

 if(q==0):

   #then, it returns the output

   return p

 #it returns the common divisor

 else:

   return gcd(q,p%q)

#get the command-line input

x=sys.argv[1]

#get the command-line input

y=sys.argv[2]

#convert input into the integer

p=int(x)

#convert input into the integer

q=int(y)

#call and print the function

print(gcd(p,q))

Explanation:

The following are the description of the program.

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