Question

Python循环练习题怎么处理?

共有两道题双重循环语句题目
A.
1
12
123
1234
12345

B.

ABCDE
BCDE
CDE
DE
E

Answer 1

多重循环

Answer 2

A:

a = ''

for i in range(5):

    a += str(i+1)

    print(a)

B:

a = [chr(i) for i in range(65, 70)]

a.reverse()

b = ''

for i in range(5):

    b += a[i]

    print(b)

追问

你好 题目有误已更正

感谢您～

追答

第二个改成：

a = [chr(i) for i in range(65, 70)]

b = ''

for i in a:

    b += i

    print(b)