最赞回答 / 虹猫Dixie
加\是表示后面跟着的内容，是需要输出的，属于字符，类似于标记的作用因为输出内容需要用""或者''框起来，但是使用双引号的时候，框起来的内容中有单引号，就不用单独标记；同理使用单引号的时候框起来的输出内容中有双引号也不用单独标记
2021-10-09
最赞回答 / 慕慕71213121
算术运算符: +, -, *, /, %, **, //比较运算符: ==, !=, >, <, >=, <=赋值运算符: =, +=, -=, *=, /=, %=, **=, //=
2021-10-09
L = ['Alice', 66, 'Bob', True, 'False', 100]
b = 0
for a in L:
if b % 2 == 0:
print(a)
b = b + 1
b = 0
for a in L:
if b % 2 == 0:
print(a)
b = b + 1
2021-10-06
已采纳回答 / _稚
# Enter a codei=[1,2,3]j=[5,3,2]x=[7,3,2]L=[i,j,x]for o in L: p=L[0][0]*L[0][1]*L[0][2] q=L[1][0]*L[1][1]*L[1][2] w=L[2][0]*L[2][1]*L[2][2]print(p)print(q)print(w)#利用外层数组下标+内层数组下标查找内层数组里面的元素，再相乘就是面积了
2021-10-06
最新回答 / qq_慕无忌6280821
print("列表里的和为：".format(square_of_sum([1,2,3,4,5,6,7,8])))这一句的冒号是中文输入法改成英文然后输入冒号就行了
2021-10-06
def func(L):
if isinstance(L,list):
sum=1
for ch in L:
sum+=ch
print(sum)
if isinstance(L,tuple):
sum=1
for ch in L:
sum*=ch
print(sum)
L1=[1,2,3]
L2=(1,2,3)
func(L1)
func(L2)
if isinstance(L,list):
sum=1
for ch in L:
sum+=ch
print(sum)
if isinstance(L,tuple):
sum=1
for ch in L:
sum*=ch
print(sum)
L1=[1,2,3]
L2=(1,2,3)
func(L1)
func(L2)
2021-10-05
def sum(i):
if i==1:
return 1
return i+sum(i-1)
print(sum(100))
if i==1:
return 1
return i+sum(i-1)
print(sum(100))
2021-10-05
def sub_sum(l):
sum1=0
sum2=0
for a in l:
if a % 2 ==0:
sum1+=a
else:
sum2+=a
return sum1,sum2
l=[1, 4, 5, 7, 9, 11]
result=sub_sum(l)
print('偶数项和={}'.format(result[0]))
print('奇数项和={}'.format(result[1]))
sum1=0
sum2=0
for a in l:
if a % 2 ==0:
sum1+=a
else:
sum2+=a
return sum1,sum2
l=[1, 4, 5, 7, 9, 11]
result=sub_sum(l)
print('偶数项和={}'.format(result[0]))
print('奇数项和={}'.format(result[1]))
2021-10-05
已采纳回答 / 常思方安
#方法一DingYi='Life {0}'A='Is Short'shuju=DingYi.format(A)print(shuju)#方法二DingYi='Life {0}'shuju=DingYi.format('Is Short')print(shuju)
2021-10-05
names = ['Alice', 'Bob', 'Candy', 'David', 'Ellena']
name_set = set(names)
print("请输入你要查询的名字")
name=input()
name=name.title()
print(name in name_set)
name_set = set(names)
print("请输入你要查询的名字")
name=input()
name=name.title()
print(name in name_set)
2021-10-04
d = {
'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49
}
print("请输入你想要删除的名字")
name=input()
grade=d.get(name)
if grade!=None:
d.pop(name)
print("删除成功，剩余为\n")
print(d)
else:
print("删除失败，此人不存在")
'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49
}
print("请输入你想要删除的名字")
name=input()
grade=d.get(name)
if grade!=None:
d.pop(name)
print("删除成功，剩余为\n")
print(d)
else:
print("删除失败，此人不存在")
2021-10-04
names = ['Alice', 'Bob', 'Candy', 'David', 'Ellena']
for i in names:
lowername = i.lower()
names.append(lowername)
if len(names) == 10:
break
print(names)
name_set = set(names)
k = input()
if k in name_set:
print("True")
else:
print("False")
for i in names:
lowername = i.lower()
names.append(lowername)
if len(names) == 10:
break
print(names)
name_set = set(names)
k = input()
if k in name_set:
print("True")
else:
print("False")
2021-10-03