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[babynames_answers] / challenge_5.py

diff --git a/challenge_5.py b/challenge_5.py
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+# 5. How many boys names are also girls names? How many girls names are also
+#    boys names?
+
+# Note: these are asking the same question! The result from the code below
+# should convince you of that.
+
+import ssadata
+
+boysNameAlsoGirlsName = 0
+for boysName in ssadata.boys.keys():
+    if boysName in ssadata.girls.keys():
+        boysNameAlsoGirlsName = boysNameAlsoGirlsName + 1
+
+print("There are " + str(boysNameAlsoGirlsName) + " boys names that are also girls names.")
+
+girlsNameAlsoBoysName = 0
+for girlsName in ssadata.girls.keys():
+    if girlsName in ssadata.boys.keys():
+        girlsNameAlsoBoysName = girlsNameAlsoBoysName + 1
+
+print("There are " + str(girlsNameAlsoBoysName) + " girls names that are also boys names.")
+
+