Merge pull request #12 from mss12138/patch-3

Update 7-2.py (很细心啊^_^ - by OctopusLian)

Author: OctopusLian

chapter07/7-2.py

@@ -1,6 +1,6 @@
-number = input("how many people eat ?")
+number = input("how many people eat? ")
 number = int(number)
 if number > 8:
     print("no empty table.")
 else:
-    print("have empty table.")
+    print("have empty table.")