整理 | Jane
出品 | Python大本营
春节马上就要到了,怎么能让自己在假期里不掉队?今天,营长给大家准备一个项目: 100+ 编程练习,这些题如果能坚持每天至少完成一道,一定可以帮大家轻松 get Python 的编程技能。目前,这个项目已经获得了 2924 Stars,2468 Forks。
首先,这 100+ 练习题根据难易程度分为三个等级:Level 1、2 和 3。下面对如何定义这三个 Level 进行了说明,大家可以结合自身的学习能力和实践经验进行选择。
Level 1:初级。刚入门 Python 或者正在学一些基础课程的同学们。通常包含 1 到 2 个类或函数的问题都可以解决,甚至答案都可能在一些教材中就能找到。
Level 2:中级。已经系统学习过 Python,并且已经有一定的编程背景的同学们,可以解决包含 3 个及以上类或函数的问题,不过这些答案就在教材找不到了。
Level 3:高级:可以用 Python 中非常丰富的各种库、标准包或更高级的技术,结合数据结构和算法,来解决复杂的问题。
其次,每题都有问题描述、提示和解决方案。大家一定要先独立完成,然后再看参考答案哦~
下面先给出前五道题,其他的题目大家可以在 Github 上看到~
Question1
Level1
Question:
Write a program which will find all such numbers which are divisible by7but arenota multiple of5,
between2000and3200(both included).
The numbers obtained should be printedina comma-separated sequence on a single line.
Hints:
Consider use range(#begin, #end) method
Question2
Level1
Question:
Write a program which can compute the factorial of a given numbers.
The results should be printedina comma-separated sequence on a single line.
Suppose the following inputissupplied to the program:
8
Then, the output should be:
40320
Hints:
In case of input data being supplied to the question, it should be assumed to be a console input.
Question3
Level1
Question:
With a given integral number n, write a program to generate a dictionary that contains (i, i*i) such thatisan integral number between1andn (both included).andthen the program shouldprintthe dictionary.
Suppose the following inputissupplied to the program:
8
Then, the output should be:
{1:1,2:4,3:9,4:16,5:25,6:36,7:49,8:64}
Hints:
In case of input data being supplied to the question, it should be assumed to be a console input.
Consider use dict()
Question4
Level1
Question:
Write a program which accepts a sequence of comma-separated numbersfromconsoleandgenerate a listanda tuple which contains every number.
Suppose the following inputissupplied to the program:
34,67,55,33,12,98
Then, the output should be:
['34','67','55','33','12','98']
('34','67','55','33','12','98')
Hints:
In case of input data being supplied to the question, it should be assumed to be a console input.
tuple() method can convert list to tuple
答案要点:
Question5
Level1
Question:
Define aclasswhichhasatleasttwomethods:
getString: to get a stringfromconsole input
printString: toprintthe stringinupper case.
Also please include simple test function to test theclassmethods.
Hints:
*Solution1*
l=[]
foriinrange(2000,3201):
if(i%7==)and(i%5!=):
l.append(str(i))
print','.join(l)
___________________________________
*Solution2*
deffact(x):
ifx ==:
return1
returnx * fact(x -1)
x=int(raw_input())
printfact(x)
___________________________________
*Solution3*
n=int(raw_input())
d=dict()
foriinrange(1,n+1):
d[i]=i*i
printd
___________________________________
*Solution4*
values=raw_input()
l=values.split(",")
t=tuple(l)
printl
printt
___________________________________
*Solution5*
classInputOutString(object):
def__init__(self):
self.s =""
defgetString(self):
self.s = raw_input()
defprintString(self):
printself.s.upper()
strObj = InputOutString()
strObj.getString()
strObj.printString()
Use __init__ method to construct some parameters
更多题目可以查阅 Github 地址:
作者 | zhiwehu
https://github.com/zhiwehu/Python-programming-exercises/blob/master/100%2B%20Python%20challenging%20programming%20exercises.txt
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