About Lesson
Slicing in 1 Dimensional Array:-
Syntax:- arr_name[start:end:step]
arr_name[star_index:end_index+1]
arr_name[start_index:]
arr_name[:end_index+1]
arr_name[:]
Note:-Indexing can be positive as well Negative.
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import numpy as np a=[] size=int(input(“Enter size”)) for i in range(size): val=int(input(“Enter value “)) a.append(val) arr=np.array(a) for i in range(arr.size): print(arr[i]) arr1=arr[2:4] print(arr1) |
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#Slicing in 1D array import numpy as np a=np.array([10,20,30,40,50,60,70,80,90]) print(a) print(a[4:]) print(a[:4]) print(a[4:7]) print(a[:-1]) print(a[::-1]) print(a[-4::]) print(a[-2::-2]) print(a[::]) |