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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)
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)
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)
L = 'Alice', 'Bob', 'Candy', 'Mimi', 'David'
d = {
'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49
}
for LL in L:
if LL in d:
print(d.get(LL))
else:
print('None')
d = {
'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49
}
d['Gaven'] = 86
print(d)
i = 0
j = 0
while i <= 1000:
if i%2 != 0:
continue
j = i+j
i += 1
print(j)
T = (1,'CH', [3,4])
t = list(T)
t[2] = tuple(T[2])
t = tuple(t)
print(t)
num = 0
T = ((1+2), ((1+2),), ('a'+'b'), (1, ), (1,2,3,4,5))
for T1 in T:
if isinstance(T1, tuple):
num = num + 1
else:
num = num + 0
print(num)
num = (100, 69, 29, 100, 72, 99, 98, 100, 75, 100, 100, 42, 88, 100)
print(num.count(100))
num = (0, 1, 2, 3, 4, 5, 6, 7, 8, 9)
num1 = list(num)
print(num1)
課程須知
如果您了解程序設(shè)計(jì)的基本概念,會(huì)簡(jiǎn)單使用命令行,了解中學(xué)數(shù)學(xué)函數(shù)的概念,那么對(duì)課程學(xué)習(xí)會(huì)有很大的幫助,讓您學(xué)起來(lái)得心應(yīng)手,快速進(jìn)入Python世界。
老師告訴你能學(xué)到什么?
通過(guò)本課程的學(xué)習(xí),您將學(xué)會(huì)搭建基本的Python開(kāi)發(fā)環(huán)境,以函數(shù)為基礎(chǔ)編寫完整的Python代碼,熟練掌握Python的基本數(shù)據(jù)類型以及l(fā)ist和dict的操作,靈活使用流程控制語(yǔ)句。

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