By Zhao Kun Peng

pythonkd · pythonkd · commit a31cb71fa9ca · 2018-09-05T20:49:32.000+08:00
diff --git a/checkio/eliminate.py b/checkio/eliminate.py
@@ -0,0 +1,38 @@
+#Your optional code here
+#You can import some modules or create additional functions
+
+from collections import Counter
+def checkio(data: list) -> list:
+    #Your code here
+    #It's main function. Don't remove this function
+    #It's used for auto-testing and must return a result for check.
+    x=sorted(Counter(data).most_common(),key=lambda x:x[1])
+    global S
+    S=[]
+    for i in list(filter(compare,x)):
+        S.append(i[0])
+    l=list(filter(isin,data))
+    return l
+def isin(n):
+    if n in S:
+        return True
+    else:
+        return False
+def compare(n):
+    if n[1]==1:
+        return False
+    return True
+
+#Some hints
+#You can use list.count(element) method for counting.
+#Create new list with non-unique elements
+#Loop over original list
+
+
+if __name__ == "__main__":
+    #These "asserts" using only for self-checking and not necessary for auto-testing
+    assert list(checkio([1, 2, 3, 1, 3])) == [1, 3, 1, 3], "1st example"
+    assert list(checkio([1, 2, 3, 4, 5])) == [], "2nd example"
+    assert list(checkio([5, 5, 5, 5, 5])) == [5, 5, 5, 5, 5], "3rd example"
+    assert list(checkio([10, 9, 10, 10, 9, 8])) == [10, 9, 10, 10, 9], "4th example"
+    print("It is all good. Let's check it now")
