Merge branch 'master' of https://github.com/programming-book-practice/Python-Crash-Course-Homework

Author: OctopusLian

chapter04/4-6.py

@@ -1,2 +1,5 @@
 jishu = [(value*2 - 1) for value in range(1,11)]
-print(jishu)
+print(jishu)
+
+jishu = [value for value in range(1,20,2)]
+print(jishu)

chapter05/5-2.py

@@ -34,5 +34,5 @@
     print("in true")
 
 # 测试特定的值是否未包含在列表中
-if 'aaaai' in cars:
+if 'aaaai' not in cars:
     print("not in true")