#if.py

x = input("Enter a grade:")
#x will be treated as a string
#x_int will be treated as an int
x_int = int(x)
if x_int>100:
    print ('"' + x + '" is too large (original string x)')
    print ('"' + str(x_int) + '" is too large (x_int cast to str)')

    try:
        #Warning this line will cause an error
        #Remove the error by casting x back to a string
        # with str(x)
        print ('"' + x_int + '" is too large')
    except:
        print ("Error: Cannot combine string and int")
elif x_int<0: print (x_int, 'is too small')
else: print (x_int, ' is a valid grade')

print ("Valid grade: ", 0 <= x_int <= 100)