if not isinstance(x, int) or not isinstance(x, float):
这段代码应该使用逻辑运算符 and 而不是 or。这样,只有当 x 既不是整数也不是浮点数时,才会打印错误信息并返回 None
这段代码应该使用逻辑运算符 and 而不是 or。这样,只有当 x 既不是整数也不是浮点数时,才会打印错误信息并返回 None
2023-03-13
print (r’’’"To be, or not to be": that is the question.\nWhether it's nobler in the mind to suffer.’’’)
2023-03-11
def average(*args):
sum = 0
if len(args) == 0:
return sum
for item in args:
sum += item
avg = sum / len(args)
return avg
sum = 0
if len(args) == 0:
return sum
for item in args:
sum += item
avg = sum / len(args)
return avg
2023-03-11
def average(*args):
sum = 0
for item in args:
sum += item
avg = sum / len(args)
return avg
sum = 0
for item in args:
sum += item
avg = sum / len(args)
return avg
2023-03-11
# Enter a code
N=['Alice', 'Bob', 'Candy', 'David', 'Ellena']
N[1]=N[3]
N.pop()
N.insert(0,'ELLENA')
print(N)
N=['Alice', 'Bob', 'Candy', 'David', 'Ellena']
N[1]=N[3]
N.pop()
N.insert(0,'ELLENA')
print(N)
2023-03-07
or为或运算,有true记3为true,a='python',a不为空及true,根据短路计算,直接输出hello,world;
2023-03-06
L = [75, 92, 59, 68, 99]
sum=0
count=0
for i in L:
sum=sum + i
count=count+1
print(sum/count)
sum=0
count=0
for i in L:
sum=sum + i
count=count+1
print(sum/count)
2023-03-04
num = 0
sum = 0
while num <= 1000:
num = num + 1
if num % 2 <> 0:
continue
sum = sum + num
print(sum)
sum = 0
while num <= 1000:
num = num + 1
if num % 2 <> 0:
continue
sum = sum + num
print(sum)
2023-03-02