Python practice questions

Posted on Edited on Disqus:

Practice Questions

Lottery example:

  • Pick(Print) 6 random numbers without the duplication within the range between 1 and 45.

  • python code:

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
import random
lotto_list = []
index = []
lotto = []
for i in range(6):
    index.append(i)
    lotto_list.append(random.randint(1, 45))
for n, m in zip(index, lotto_list):
    lotto.append(m)
    cnt = lotto.count(lotto[n])
    if cnt >= 2:
        lotto.remove(lotto[n])
        lotto.append(random.randint(1, 45))
    else:
        lotto = lotto
lotto

Similar question:

  • Make 5 sets for a lottery.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
total_lotto = []
for i in range(5):
    lotto_list = []
    index = []
    lotto = []
    for i in range(6):
        index.append(i)
        lotto_list.append(random.randint(1, 45))
    for n, m in zip(index, lotto_list):
        lotto.append(m)
        cnt = lotto.count(lotto[n])
        if cnt >= 2:
            lotto.remove(lotto[n])
            lotto.append(random.randint(1, 45))
        else:
            lotto = lotto

        if len(lotto) == 6:
            break
    total_lotto.append(lotto)
total_lotto