为了账号安全,请及时绑定邮箱和手机立即绑定
def sum1(L):
sum = 0
for num in range(L):
sum += num
print(sum)
L = 101
L = sum1(L)

def sum2(n):
if n == 1:
return 1
return n +sum2(n - 1)
n = 100
print(sum2(n))
def sub_sum(L):
sum = 0
sum1 = 0
for LL in L:
if LL%2 == 0:
sum = LL +sum
else:
sum1 = LL + sum1
return sum,sum1
L = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
num, num1 = sub_sum(L)
print('偶数求和 = {}'.format(num))
print('奇数求和 = {}'.format(num1))
def square_of_sum(L):
for LL in L:
num = LL * LL
print(num)

L = (1, 2, 3, 4, 5, 6, 7, 8, 9)
num = square_of_sum(L)
nums = range(1,101)
numlist = []
for num in nums:
num = num * num
numlist.append(num)
sum = sum(numlist)
print(sum)
s1 = set([1, 2, 3, 4, 5])
s2 = set([1, 2, 3, 4, 5, 6, 7, 8, 9])
s = set([])
for s11 in s1:
if s11 in s2:
s.add(s11)
else:
break
print(s)
L = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
S = set([1, 3, 5, 6, 9, 11])
for LL in L:
if LL in S:
S.remove(LL)
else:
S.add(LL)
print(S)
# coding=utf-8
name = set([])
name.add('Alice')
print(name)
name1 = set(['Bob'])
name.update(name1)
print(name)
print(‘hello’)
s = set(['Alice','Bob','Candy','David','Ellena'])
print(s)
num = 0
d = {'Alice':[50, 61, 66],'Bob':[80, 61, 66],'Candy':[88, 75, 90]}
for key in d.values():
value = key
for num1 in value:
num = num + 1
print(num)
为什么我的python下载网站是3.12啊
d = {'Alice': [50, 61, 66], 'Bob': [80, 61, 66], 'Candy': [88, 75, 90]}
for name in d:
dd = d[name]
for ddd in dd:
print(name,ddd)
d = {
'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49
}
if 'Alice' in d:
alice = d.pop('Alice')
print(d)
else:
print('不存在')
d = {
'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49
}
Alice = d['Alice']
d['Alice'] = 60
print(Alice)
print(d['Alice'])
d = {
'Alice': [45],
'Bob': [60],
'Candy': [75],
}
Alice = {'Alice':[50,61,66]}
Bob = {'Bob':[80, 61, 66]}
Candy = {'Candy':[88, 75, 90]}
d.update(Alice)
d.update(Bob)
d.update(Candy)
print(d)
课程须知
如果您了解程序设计的基本概念,会简单使用命令行,了解中学数学函数的概念,那么对课程学习会有很大的帮助,让您学起来得心应手,快速进入Python世界。
老师告诉你能学到什么?
通过本课程的学习,您将学会搭建基本的Python开发环境,以函数为基础编写完整的Python代码,熟练掌握Python的基本数据类型以及list和dict的操作,灵活使用流程控制语句。

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