最新回答 / 程少爱珍
def func(*args):
print('第一个参数是:{}'.format(args[0]))
func('wc','cw')
print('**************')<...code...>
2022-01-22
最新回答 / 37q
2-1 Phthon3.8标准环境Python程序→需在Python环境运行→与操作系统有关Python的环境：编辑环境（另可安装编辑器完善编辑环境）、运行环境Python的安装：登录官网：https://www.python.org下载相应系统的Python版本（如window系统）并安装校验Phthon环境已正确安装：打开电脑“运行”窗口，输入cmd，进入命令行，输入“python”，回车确认若安装成功，则会提示安装的python版本是否没有安装成功？
2022-01-21
# Enter a code
def square_of_sum(L):
result=0
for num in L:
result=result+num*num
return result
l=[1,2,3,4]
print(square_of_sum(l))
def square_of_sum(L):
result=0
for num in L:
result=result+num*num
return result
l=[1,2,3,4]
print(square_of_sum(l))
2022-01-20
# Enter a code
s1 = set([1, 2, 3, 4, 5])
s2 = set([1, 2, 3, 4, 5, 6, 7, 8, 9])
print(s1.intersection(s2))
s1 = set([1, 2, 3, 4, 5])
s2 = set([1, 2, 3, 4, 5, 6, 7, 8, 9])
print(s1.intersection(s2))
2022-01-19
# 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)
print(S)
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)
print(S)
2022-01-19
# coding=utf-8
s1=set()
s2=set()
names=['Jenny', 'Ellena', 'Alice', 'Candy', 'David', 'Hally', 'Bob', 'Isen', 'Karl']
for name in names:
s1.add(name)
names_set=set(s1)
print(s1)
s2.update(names)
print(s2)
s1=set()
s2=set()
names=['Jenny', 'Ellena', 'Alice', 'Candy', 'David', 'Hally', 'Bob', 'Isen', 'Karl']
for name in names:
s1.add(name)
names_set=set(s1)
print(s1)
s2.update(names)
print(s2)
2022-01-19
# Enter a code
names = ['Alice', 'Bob', 'Candy', 'David', 'Ellena']
name_set = set(names)
name_l='alice'.lower()
for name in name_set:
if name_l in name.lower():
print('true')
names = ['Alice', 'Bob', 'Candy', 'David', 'Ellena']
name_set = set(names)
name_l='alice'.lower()
for name in name_set:
if name_l in name.lower():
print('true')
2022-01-19
# Enter a code
d = {'Alice': [50, 61, 66], 'Bob': [80, 61, 66], 'Candy': [88, 75, 90]}
num=0
for key in d.keys():
num=num+1
print(num)
d = {'Alice': [50, 61, 66], 'Bob': [80, 61, 66], 'Candy': [88, 75, 90]}
num=0
for key in d.keys():
num=num+1
print(num)
2022-01-19
# Enter a code
d = {'Alice': [50, 61, 66], 'Bob': [80, 61, 66], 'Candy': [88, 75, 90]}
for key,value in d.items():
for i in value:
print(key,i)
d = {'Alice': [50, 61, 66], 'Bob': [80, 61, 66], 'Candy': [88, 75, 90]}
for key,value in d.items():
for i in value:
print(key,i)
2022-01-19
# Enter a code
d = {'Alice': [50, 61, 66], 'Bob': [80, 61, 66], 'Candy': [88, 75, 90]}
for key in d:
value=d[key]
for i in value:
print(key,i)
d = {'Alice': [50, 61, 66], 'Bob': [80, 61, 66], 'Candy': [88, 75, 90]}
for key in d:
value=d[key]
for i in value:
print(key,i)
2022-01-19
# Enter a code
d = {
'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49
}
key='Bob'
if key in d.keys():
s=d.pop(key)
print(d)
d = {
'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49
}
key='Bob'
if key in d.keys():
s=d.pop(key)
print(d)
2022-01-19
# Enter a code
d = {
'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49
}
score1=d.get('Alice','none')
print(score1)
d['Alice']=60
print(d)
d = {
'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49
}
score1=d.get('Alice','none')
print(score1)
d['Alice']=60
print(d)
2022-01-19
# Enter a code
d = {
'Alice': [45],
'Bob': [60],
'Candy': [75],
}
L1=[50, 61, 66]
L2=[80, 61, 66]
L3=[88, 75, 90]
d['Alice'].extend(L1)
d['Bob'].extend(L2)
d['Candy'].extend(L3)
print(d)
d = {
'Alice': [45],
'Bob': [60],
'Candy': [75],
}
L1=[50, 61, 66]
L2=[80, 61, 66]
L3=[88, 75, 90]
d['Alice'].extend(L1)
d['Bob'].extend(L2)
d['Candy'].extend(L3)
print(d)
2022-01-19
# Enter a code
d = {
'Alice': [45],
'Bob': [60],
'Candy': [75],
}
d['Alice'].append([45,50, 61, 66])
d['Bob'].append([60,80, 61, 66])
d['Candy'].append([75,88, 75, 90])
print(d)
d = {
'Alice': [45],
'Bob': [60],
'Candy': [75],
}
d['Alice'].append([45,50, 61, 66])
d['Bob'].append([60,80, 61, 66])
d['Candy'].append([75,88, 75, 90])
print(d)
2022-01-19
# Enter a code
d = {
'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49
}
stu=['Alice', 'Bob', 'Candy', 'Mimi', 'Da']
for name in stu:
if name in d:
print(name,d[name])
else:
print('none')
d = {
'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49
}
stu=['Alice', 'Bob', 'Candy', 'Mimi', 'Da']
for name in stu:
if name in d:
print(name,d[name])
else:
print('none')
2022-01-18