最新回答 / weixin_慕九州8059632
錯(cuò)誤1：if?a.index(b)?==?x的右邊少了1個(gè)冒號(hào)“：”錯(cuò)誤2：S?=?S?*?b沒有向右縮進(jìn)4個(gè)字符
2024-04-30
最新回答 / 勇往直前3
def average(*args):? ? sum = 0.0? ? if len(args)==0:? ? ? ? return None? ? for item in args:? ? ? ? sum += item? ? avg = sum / len(args)? ? return avg? ? ? ??print(average(1, 2))print(average(1, 2, 2, 3, 4))print(average())<...code...>
2024-04-26
d = {
'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49
}
print('Alice old score is {}'.format(d['Alice']))
d['Alice']=60
print(d)
'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49
}
print('Alice old score is {}'.format(d['Alice']))
d['Alice']=60
print(d)
2024-04-16
sum = 0
num = 0
while num <= 1000:
if num % 2 != 0:
num += 1
continue
sum += num
num += 2
print(sum)
num = 0
while num <= 1000:
if num % 2 != 0:
num += 1
continue
sum += num
num += 2
print(sum)
2024-04-07
sum = 0
num = 0
while True:
sum += num
num += 2
if num > 1000:
break
print(sum)
num = 0
while True:
sum += num
num += 2
if num > 1000:
break
print(sum)
2024-04-07
L = [75, 92, 59, 68, 99]
tl = 0
for sc in L:
tl += sc
averge = tl / len(L)
print('平均成績(jī)是：'，averge)
tl = 0
for sc in L:
tl += sc
averge = tl / len(L)
print('平均成績(jī)是：'，averge)
2024-04-07
name=['Alice', 'Bob', 'Candy', 'David', 'Ellena']
name[0]='Ellena'
name[1]='Alice'
name[4]='Bob'
print(name)
name[0]='Ellena'
name[1]='Alice'
name[4]='Bob'
print(name)
2024-04-07
這樣也可以：
L = ['Alice', 66, 'Bob', True, 'False', 100]
num=0
for ch in L:
num=num+1
if num%2==0:
print(ch)
L = ['Alice', 66, 'Bob', True, 'False', 100]
num=0
for ch in L:
num=num+1
if num%2==0:
print(ch)
2024-04-07