Python 3.13.6 (tags/v3.13.6:4e66535, Aug  6 2025, 14:36:00) [MSC v.1944 64 bit (AMD64)] on win32
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for i in range(10): # Iterates from 0 to 9
    print(i)

0
1
2
3
4
5
6
7
8
9
>>> x = range(5)
>>> x
range(0, 5)
>>> for i in x:
...     print(i)
... 
...     
0
1
2
3
4
>>> for i in range(5):      # range(stop): start assumes to be 0.
...     print(f"square({i}): {i * i}")
... 
...     
square(0): 0
square(1): 1
square(2): 4
square(3): 9
square(4): 16
>>> 
>>> list_1 = [3,4,1,7,8,3,6]
>>> list_1
[3, 4, 1, 7, 8, 3, 6]
>>> list_1[3]
7
>>> len(list_1)
7