kindle manager

tdict.py

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+
+
+#############################################
+##   PROGRAM: tdict.py
+##   AUTHOR:  Chengan 20200526
+##            douboer@gmail.com
+##   test multi-key dict
+#############################################
+
+import re
+from collections import defaultdict
+
+t = {'a':{'b':{'c':1}}}
+t['a']['b']['c']=2
+t['a']=2
+print(t)
+
+t1 = {'a':{'b':{'c':'3'}}}
+t2 = t1
+print(t2)
+
+t3 = {'b':{'c':'4'}}
+t4 = defaultdict(dict)
+t4['a'] = t3
+print(t4)
+
+t4['a1']['b2'] = {'c3':'5'}
+print(t4)
+t4['a1']['d2'] = {'c3':'6'}
+print(t4)
+t4['a1']['e2'] = {'c3':'7'}
+print(t4)
+
+t4['b1']['b2'] = {'b5':1}
+print(t4)
+
+t4['b1']['b2']['b3'] = {'b5':1}
+print(t4)
+