d = {
'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49
}
x=input("please input the person you want to check:")
if x in b:
d.pop(x)
print(d)
else:
print('inexistence!??!')
'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49
}
x=input("please input the person you want to check:")
if x in b:
d.pop(x)
print(d)
else:
print('inexistence!??!')
2022-12-17
T = ((1+2), ((1+2),), ('a'+'b'), (1, ), (1,2,3,4,5))
s=0
for a in range(5):
if isinstance(T[a], tuple):
s+=1
print(s)
s=0
for a in range(5):
if isinstance(T[a], tuple):
s+=1
print(s)
2022-12-16
a=0.0
sum=0.0
L = [75, 92, 59, 68, 99]
for a in range(0,5):
if a<=5:
sum=sum+L[a]
a+=1
print(sum/a)
sum=0.0
L = [75, 92, 59, 68, 99]
for a in range(0,5):
if a<=5:
sum=sum+L[a]
a+=1
print(sum/a)
2022-12-16
L = [75, 92, 59, 68, 99]
sum = 0.0
i=0
for x in L:
sum=sum+x;
i=i+1
avg=sum/i
print(avg)
sum = 0.0
i=0
for x in L:
sum=sum+x;
i=i+1
avg=sum/i
print(avg)
2022-12-11
num = 1
sum = 1
while num <= 10:
sum *= num
num += 1
print(sum)
sum = 1
while num <= 10:
sum *= num
num += 1
print(sum)
2022-12-08
L = [75, 92, 59, 68, 99]
sum = 0;
for num in L:
sum += num;
print(sum/(len(L)))
sum = 0;
for num in L:
sum += num;
print(sum/(len(L)))
2022-12-07
最新回答 / wuzhou
改成 if not?s1.isdisjoint(s2):set提供isdisjoint()方法,可以快速判斷兩個集合是否有重合,如果有重合,返回False,否則返回True
2022-12-06