num=0
sum=0
while True:
if num<=1000:
num=num+2
continue
sum=sum+num
print(sum)
sum=0
while True:
if num<=1000:
num=num+2
continue
sum=sum+num
print(sum)
2024-08-13
def func(n) :
s = 0
if isinstance(n, list):
for i in n:
s = s + i
return s
C = 1
if isinstance(n, tuple):
for j in n:
C = C * j
return C
L = [1, 3, 5, 7, 9, 10]
T = (3, 5, 7, 9)
print(func(L))
print(func(T))
s = 0
if isinstance(n, list):
for i in n:
s = s + i
return s
C = 1
if isinstance(n, tuple):
for j in n:
C = C * j
return C
L = [1, 3, 5, 7, 9, 10]
T = (3, 5, 7, 9)
print(func(L))
print(func(T))
2024-08-06
sum = 0
i = 1
while i <= 100:
sum = sum + i
i = i + 1
print(sum)
def S(n):
if n == 1:
return 1
return n+S(n-1)
print(S(100))
i = 1
while i <= 100:
sum = sum + i
i = i + 1
print(sum)
def S(n):
if n == 1:
return 1
return n+S(n-1)
print(S(100))
2024-08-06
最新回答 / qq_安然無夢為安_03333215
不是太清楚,理論上應該是float類型導致的,但是編譯器所在服務器和命令不一致,通過ai回答:Python中,當你看到0.1 + 0.2這樣的浮點數加法結果在不同環境中表現出不同的行為(如在某些編輯器中顯示為0.3,而在命令行或其他環境中顯示為0.30000000000000004),這主要是由于浮點數的表示方式和精度問題導致的。浮點數的表示在計算機中,浮點數(如Python中的float類型)并不能精確地表示所有的小數,尤其是那些無法表示為2的冪次和有限小數之和的數。這是因為在計算機內部,浮點數通常使用...
2024-08-06
在該任務中,因為Python把0、空字符串和None看成False,其他數值和非空字符串都看成True,所以變量a是True,變量b是False,按照短路計算2規則可知第一個打印結果為('hello','python'),第二個打印結果為('hello','world')。
2024-08-01
#coding:utf-8
# Enter a code
T_1 = (1, 'CH', [3, 4]) #--> (1, 'CH', (3, 4))
#要把可變的tuple變為不可變的tuple,就是要把tuple中類型為list的元素修改為tuple
#因此:我們就要先把可變的tuple修改為list,記作List
List = list(T_1)
#再把List中的list修改為tuple
List[2] = tuple(List[2])
#最后再把List修改回tuple
T_3 = tuple(List)
#輸出(1, 'CH', (3, 4))
print(T_3)
# Enter a code
T_1 = (1, 'CH', [3, 4]) #--> (1, 'CH', (3, 4))
#要把可變的tuple變為不可變的tuple,就是要把tuple中類型為list的元素修改為tuple
#因此:我們就要先把可變的tuple修改為list,記作List
List = list(T_1)
#再把List中的list修改為tuple
List[2] = tuple(List[2])
#最后再把List修改回tuple
T_3 = tuple(List)
#輸出(1, 'CH', (3, 4))
print(T_3)
2024-07-10
#請分別使用循環和遞歸的形式定義函數,求出1~100的和
def tSum(n):
i = 0
result = 0
while i <= n:
result += i
i += 1
return result
print(tSum(100))
def fSum(n):
if n == 1:
return 1
return fSum(n-1) + n
print(fSum(100))
def tSum(n):
i = 0
result = 0
while i <= n:
result += i
i += 1
return result
print(tSum(100))
def fSum(n):
if n == 1:
return 1
return fSum(n-1) + n
print(fSum(100))
2024-07-06
#已知兩個集合s1、s2,請判斷兩個集合是否有重合,如果有,請把重合的元素打印出來。
s1 = set([1, 2, 3, 8, 5])
s2 = set([1, 2, 3, 4, 5, 6, 7, 8, 9])
#判斷是否有重合
hasDuplicate = s1.isdisjoint(s2)
if hasDuplicate == False: #有重合
#取得重合元素
dup = s1.intersection(s2)
print(dup)
s1 = set([1, 2, 3, 8, 5])
s2 = set([1, 2, 3, 4, 5, 6, 7, 8, 9])
#判斷是否有重合
hasDuplicate = s1.isdisjoint(s2)
if hasDuplicate == False: #有重合
#取得重合元素
dup = s1.intersection(s2)
print(dup)
2024-07-06
names = ['Alice', 'Bob', 'Candy', 'David', 'Ellena']
name_set = set(names)
#全部設置為大寫
names_Upper = [word.upper() for word in names]
name = 'bob'
desprition = "是班里同學"
if name.upper() in names_Upper:
print(name+desprition)
else:
print('查無此人')
name_set = set(names)
#全部設置為大寫
names_Upper = [word.upper() for word in names]
name = 'bob'
desprition = "是班里同學"
if name.upper() in names_Upper:
print(name+desprition)
else:
print('查無此人')
2024-07-06
d = {
'Alice': [45],
'Bob': [60],
'Candy': [75],
}
dNew = {
'Alice': [50,61,66],
'Bob': [80,61,66],
'Candy': [88,75,90],
}
Name_L = ['Alice','Bob','Candy']
#循環L,逐個增加
for l in Name_L:
for s in range(0,3,1):
dnew_s = dNew[l][s]
d[l].append(dnew_s)
print(d)
'Alice': [45],
'Bob': [60],
'Candy': [75],
}
dNew = {
'Alice': [50,61,66],
'Bob': [80,61,66],
'Candy': [88,75,90],
}
Name_L = ['Alice','Bob','Candy']
#循環L,逐個增加
for l in Name_L:
for s in range(0,3,1):
dnew_s = dNew[l][s]
d[l].append(dnew_s)
print(d)
2024-07-06
d = {
'Alice': [50, 61, 66],
'Bob': [80, 61, 66],
'Candy': [88, 75, 90]
}
for key, value in d.items():
index = 1
for item in value:
score = item
print('{name} 第{index}次成績:{score}'.format(name = key, index = index, score = score))
index += 1
'Alice': [50, 61, 66],
'Bob': [80, 61, 66],
'Candy': [88, 75, 90]
}
for key, value in d.items():
index = 1
for item in value:
score = item
print('{name} 第{index}次成績:{score}'.format(name = key, index = index, score = score))
index += 1
2024-06-19