diff --git a/ch07_02_while.py b/ch07_02_while.py
new file mode 100644
index 0000000..9c1782b
--- /dev/null
+++ b/ch07_02_while.py
@@ -0,0 +1,21 @@
+number = 23
+running = True
+
+while running:
+  guess = int(input('Enter an integer : '))
+  
+  if guess == number:
+      print('Congratulations, bingo!')  # New block starts here    
+      print('(but you do not win any prizes!)')  # New block ends here
+      running = False;
+  elif guess < number:
+      print('No, it is a litter higher than that')
+      # you can do whatever you want in a block ...
+  else:
+      print('No, it is a letter lower than that')
+      # you must have guess > number to reach here
+
+else:
+    print("the while loop is over.")
+
+print('Done')