为了账号安全,请及时绑定邮箱和手机立即绑定
# Enter a code
names = ['Alice', 'Bob', 'Candy', 'David', 'Ellena']
names.append('Zero')
names.insert(-2,'Gen')
names.insert(-2,'Phoebe')
print(names)
L = [95.5, 85, 59, 66, 72]
L.sort(reverse = False)
print('first: ',L[-1])
print('second: ',L[-2])
print('third: ',L[-3])
# Enter a code
L = [95.5, 85, 59, 66, 72]
L.sort(reverse = True)
print('first: ',L[0])
print('second: ',L[1])
print('third: ',L[2])
# Enter a code
courses = ['Chinese', 'Match', 'English']
scores = [92, 75, 99]
oder = [0, 1, 2]
print ('Alice\' score: ')
for i in oder:
print (courses[i],': ',scores[i])
# Enter a code
def list_a(a):
result = 0
for i in a:
result += i*i
return result

L = [10,20]
print list_a(L)
# Enter a code
L = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
S = set([1, 3, 5, 7, 9, 11])
for i in L:
if i in S:
S.remove(i)
else:
S.add(i)
print S
# Enter a code
names = ['Alice', 'Bob', 'Candy', 'David', 'Ellena']
name_set = set(names)

a = 'Alice'
for i in name_set:
if a.lower() in i.lower():
print "True"
d = {'Alice': [50, 61, 66, 1], 'Bob': [80, 61, 66], 'Candy': [88, 75, 90]}
a = 0
for x in d.keys():
a += 1
for y in d[x]:
a += 1

print a
d = {'Alice': [50, 61, 66], 'Bob': [80, 61, 66], 'Candy': [88, 75, 90]}
for x, y in d.items():
for i in y:
print x, i
# Enter a code
d = {
'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49
}
x = 'Alice'
y = 'old_Alice'
if x in d:
d[y] = d[x]
d[x] = 60

print d
d = {
'Alice': [45],
'Bob': [60],
'Candy': [75],
}
a = [50, 61, 66]
b = [80, 61, 66]
c = [88, 75, 90]

sorse = {
'Alice': a,
'Bob': b,
'Candy': c,}
print sorse
for i in d.keys():
for x in sorse[i]:
d[i].append(x)
print d
d = {
'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49
}
a = ["Alice", "Bob", "Candy", "Mimi", "David"]
for i in a:
x = d.get(i)
print i, x
# Enter a code
d = {
'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49
}
d["Gaven"] = 86
print d
# Enter a code
T = (1, 'CH', [3, 4])
T1 = list(T)
T1[2] = tuple(T1[2])
T2 = tuple(T1)
print T1, T2
# Enter a code
T = ((1+2), ((1+2),), ('a'+'b'), (1, ), (1,2,3,4,5))
num = 0
for i in T:
print(type(i))
if type(i) == tuple:
num = num + 1
print(num)
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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