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Author: aadarshraj4321

Data Structure Problems/arrays/missing_number_finding.py

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+
+
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+myList = [i for i in range(1, 101)]
+newList = myList[:90]
+newList.pop()
+#print(newList)
+newList.append(91)
+newList.append(92)
+#print(newList)
+#print(len(newList))
+#print(sum(newList))
+
+
+def findMissingNum(array, lenArray):
+    sum1 = 92 * 93 / 2
+    #print(sum1)
+    sum2 = sum(array)
+    #print(sum2)
+    val = sum1 - sum2
+    if(sum1 == sum2):
+        return True
+    else:
+        print(val)
+
+
+findMissingNum(newList, 91)
+
+
+
+happily move smoothly without noise or effort like a wind