save project

dil.py

 
 dict={'张三':30,'李四':37,'王五':52}
 dict['李四']=80
+dict['赵六']=99
+
+if '赵六' in dict:
+    print(dict['赵六'])
 print(dict)
+

diy4.py

+python1={'王':99,'李':98,'星':100,'颜':80}
+python1['颜']=100
+print(python1['颜'])
+if '刘'in python1:
+    print(python1) 
+ else:   
+    python1['刘']=80
+    print(python1)
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