Range(20) starts from 0 or 1?

Answer 1

Just adding to the answer, there's a complete documentation of range here.

https://docs.python.org/3/library/stdtypes.html#typesseq-range

'... If the start argument is omitted, it defaults to 0. '

Answer 2

Thank you [BusyTheseDays] Hatsy Rei

Answer 3

range(start, stop, step)

range(20) means = range(0, 20, 1)

It start from 0 and ends at 19.

You can run this code↓

for i in range(20):
print(i)

Output:
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19

Answer 4

Starts from 0 and it will print up to 19

0 to 19 means 20 numbers are printing in a given range

Answer 5

Why don't you check it by yourself ??