GCD[ENG].py

oop=bool("false")
def mcm() :
 global a1
 global a
 global b1
 global b
 global x
 try:
  a1=input("Insert first number: ")
  b1=input("Insert second number: ")
  a=int(a1)
  b=int(b1)
  if a<b:
   x=b
  elif a>b:
   x=a
  elif a==b:
   x=a
  x=x+1
  if a==0 or b==0:
   error1=6/0
  else:
   for poi in range(999999999999999):
    print(a,b,x)
    if a%x==0 and b%x==0:
     break
    else:
     x=x-1
   print("The Greatest Common Divisor among", a, "and",b,"is",x)
  input("Click To Erase")
  print('\n'*1000)
 except ValueError :
  input(" You must insert a number,not a letter")
  print('\n'*1000)
 except ZeroDivisionError :
  input(" You must insert a number different from zero")
  print('\n'*1000)




while oop:
 mcm()