Updated to use new Python features

Reindented

Demo/scripts/unbirthday.py

@@ -14,34 +14,34 @@ def main():
     # e.g. 3.14 or ().  However syntactically invalid replies
     # will raise an exception.
     if sys.argv[1:]:
-		year = eval(sys.argv[1])
+        year = int(sys.argv[1])
     else:
-		year = input('In which year were you born? ')
-	if year in range(100):
-		print 'I\'ll assume that by', year,
+        year = int(raw_input('In which year were you born? '))
+    if 0<=year<100:
+        print "I'll assume that by", year,
         year = year + 1900
         print 'you mean', year, 'and not the early Christian era'
-	elif year not in range(1850, 2000):
-		print 'It\'s hard to believe you were born in', year
+    elif not (1850<=year<=2002):
+        print "It's hard to believe you were born in", year
         return
     #
     if sys.argv[2:]:
-		month = eval(sys.argv[2])
+        month = int(sys.argv[2])
     else:
-		month = input('And in which month? (1-12) ')
-	if month not in range(1, 13):
+        month = int(raw_input('And in which month? (1-12) '))
+    if not (1<=month<=12):
         print 'There is no month numbered', month
         return
     #
     if sys.argv[3:]:
-		day = eval(sys.argv[3])
+        day = int(sys.argv[3])
     else:
-		day = input('And on what day of that month? (1-31) ')
+        day = int(raw_input('And on what day of that month? (1-31) '))
     if month == 2 and calendar.isleap(year):
         maxday = 29
     else:
         maxday = calendar.mdays[month]
-	if day not in range(1, maxday+1):
+    if not (1<=day<=maxday):
         print 'There are no', day, 'days in that month!'
         return
     #
@@ -49,7 +49,7 @@ def main():
     bdaydate = mkdate(bdaytuple)
     print 'You were born on', format(bdaytuple)
     #
-	todaytuple = time.localtime(time.time())[:3]
+    todaytuple = time.localtime()[:3]
     todaydate = mkdate(todaytuple)
     print 'Today is', format(todaytuple)
     #