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Author: Mahak-Tech-05

9th Day/list_as_an_array.py

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+#python list as an array (dynamic array )
+#creating a list(act as a dynamic array)
+number = [10,20,30,"Hii",50]
+print("Original List:", number)
+
+#Accessing elements
+print("First element:", number[0])
+
+#modifying elements
+number[1] = 200
+print("After Modification:", number)
+
+# adding elements
+number.append(60)
+print("After append:", number)
+
+# removing element
+number.pop(2)
+print("After poping the element:", number)
+
+#loop thorught list
+print("Loopinh through array")
+for num in number:
+    print (num)

9th Day/numpy_code.py

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+#numpy command:-pip install numpy
+import numpy as np
+
+#creating a 1d array
+arr1 = np.array([10,20,30,40])
+print("1d array numpy:", arr1)
+
+# creating a 2d array (matrix)
+arr2 = np.array( [
+[1,2,3],
+[4,5,6]
+    ] )
+print("2d arry:\n:", arr2)
+
+#basic operations
+print("Adding each element with 10:", arr1 + 40)
+print("Adding each element wiht 10:" , arr2+10)
+print("-----------------------------------")
+matrix = [
+[1,2,3],
+[4,5,6],
+[7,8,9]
+]
+for i in range(len(matrix)):#row index
+    for j in range(len(matrix[i])):#column index
+                   matrix[i][j] = matrix[i][j] +10
+
+print(matrix)

9th Day/traditional_array.py

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+#array module(traditional fixed type array)
+from array import array
+#creating an integer array( 'i' means int)
+arr = array('i',[1,2,3,4,5])
+print("Original array:", arr)
+
+#Accessing elements
+print("Elements at index at 4:", arr[4])
+
+#adding a element
+arr.append(6)
+print("After append:", arr)
+
+arr.insert(4,13)
+print("After insertion:" , arr)
+
+arr.remove(3)
+print("Afte removing:", arr)
+
+print