Source Code

Author: sagargoswami2001

Append_Inerrable_Array.py

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+# Write a Python Program to Append Items from Inerrable to the End of the Array.
+from array import *
+array_num = array('i', [1, 3, 5, 7, 9])
+print("Original Array: " + str(array_num))
+array_num.extend(array_num)
+print("Extended Array: " + str(array_num))

Append_Item_Array.py

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+# Write a Python Program to Append a new item to the end of the Array.
+from array import *
+array_num = array('i', [1, 3, 5, 7, 9])
+print("Original Array: " + str(array_num))
+print("Append 11 at the end of the Array: ")
+array_num.append(11)
+print("New Array: " + str(array_num))

Append_Items_Specified_List.py

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+# Write a Python Program to Append Items from a Specified List.
+
+from array import *
+num_list = [1, 2, 6, -8]
+array_num = array('i', [])
+print("Items in the List: " + str(num_list))
+print("Append Items from the List: ")
+array_num.fromlist(num_list)
+print("Items in the Array: " + str(array_num))

Array_Internal_Representation.py

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+# Write a Python Program to get the length in bytes of one array item in the Internal Representation.
+
+from array import *
+array_num = array('i', [1, 3, 5, 7, 9])
+print("Original Array: " + str(array_num))
+print("Length in Bytes of One Array Item: " + str(array_num.itemsize))

Convert_Array.py

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+# Write a Python Program to Convert an Array to an Ordinary List with the Same Items.
+from array import *
+array_num = array('i', [1, 3, 5, 3, 7, 1, 9, 3])
+print("Original Array: " + str(array_num))
+num_list = array_num.tolist()
+print("Convert the Said Array to an Ordinary List with the Same Items:")
+print(num_list)

Convert_Array_Machine_Value.py

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+# Write a Python Program to Convert an Array to an Array of Machine Values and Return the Bytes Representation.
+from array import *
+print("Bytes to String: ")
+x = array('b', [119, 51, 114, 101, 115, 111, 117, 114, 99, 101])
+s = x.tobytes()
+print(s)

Display_Five_Integers_Array.py

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+''' Write a Python Program to create an array of 5 integers and display the array items. Access individual 
+element through indexes. '''
+
+from array import *
+array_num = array('i', [1,3,5,7,9])
+for i in array_num:
+    print(i)
+print("Access First Three Items Individually:")
+print(array_num[0])
+print(array_num[1])
+print(array_num[2])

Duplicate_Element_Array.py

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+# Write a Python Program to Find Whether a Given Array of Integers Contains Any Duplicate Element.
+'''Return true if any appears at least twice in the said array and return false if every element is distinct.'''
+
+def test_duplicate(array_nums):
+    nums_set = set(array_nums)
+    return len(array_nums) != len(nums_set)
+print(test_duplicate([1,2,3,4,5]))
+print(test_duplicate([1,2,3,4,4]))
+print(test_duplicate([1,1,2,2,3,3,4,4,5]))

First_Duplicate_Element.py

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+# Write a Python Program to find the First Duplicate Element in a Given Array of Integers.
+''' Return -1 if there are no such elements.'''
+
+def find_first_duplicate(nums):
+    num_set = set()
+    no_duplicate = -1
+
+    for i in range(len(nums)):
+
+        if nums[i] in num_set:
+            return nums[i]
+        else:
+            num_set.add(nums[i])
+
+    return no_duplicate
+
+print(find_first_duplicate([1,2,3,4,4,5]))
+print(find_first_duplicate([1,2,3,4]))
+print(find_first_duplicate([1,1,2,3,3,2,2]))

Insert_Existing_Array.py

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+# Write a Python Program to Insert a New Item Before the Second Element in an Existing Array.
+from array import *
+array_num = array('i', [1, 3, 5, 7, 9])
+print("Original Array: " + str(array_num))
+print("Insert New Value 4 Before 3: ")
+array_num.insert(1, 4)
+print("New Array: " + str(array_num))