L1=['Alice', 'Bob', 'Candy', 'David', 'Ellena']
L2=[89, 72, 88, 79, 99]
L3=["","","","",""]
idx = 0
while idx < 5:
L3[idx] = str(L2[idx]) + L1[idx]
print(L3[idx])
idx = idx + 1
L3.sort(reverse=True)
print(L3)
idx = 0
for item in L3:
L1[idx] = item[2:10]
idx = idx+1
print(L1)
L2=[89, 72, 88, 79, 99]
L3=["","","","",""]
idx = 0
while idx < 5:
L3[idx] = str(L2[idx]) + L1[idx]
print(L3[idx])
idx = idx + 1
L3.sort(reverse=True)
print(L3)
idx = 0
for item in L3:
L1[idx] = item[2:10]
idx = idx+1
print(L1)
2021-05-06
L=['Alice', 'Bob', 'Candy', 'David', 'Ellena']
L_insert=['Zero', 'Phoebe', 'Gen']
for item in L_insert:
L.append(item)
L.sort(reverse=False)
print(L)
L_insert=['Zero', 'Phoebe', 'Gen']
for item in L_insert:
L.append(item)
L.sort(reverse=False)
print(L)
2021-05-06
num=1
advantage=1
while num<=10:
advantage=advantage*num
num=num+1
print(advantage)
advantage=1
while num<=10:
advantage=advantage*num
num=num+1
print(advantage)
2021-05-03
最赞回答 / weixin_慕侠3131023
python中，Number类型的值为不可变类型，使用round(num,2)对变量num进行的操作并不会影响到原有的变量num，所以当print(num)时，num变量的值仍然还是最初的，并不是进行了小数过滤后的值。
2021-04-30
# Enter a code
def func(X):
sum_1=0
sum_2=1
if isinstance(X,list):
for a in X:
sum_1=sum_1+a
print(sum_1)
if isinstance(X,tuple):
for b in X:
sum_2=sum_2*b
print(sum_2)
def func(X):
sum_1=0
sum_2=1
if isinstance(X,list):
for a in X:
sum_1=sum_1+a
print(sum_1)
if isinstance(X,tuple):
for b in X:
sum_2=sum_2*b
print(sum_2)
2021-04-30
# coding=utf-8
def sum_1(num):
if num==1:
return 1
return num+sum_1(num-1)
def sum_2(num):
a=1
sum=0
while(a<=num):
sum=sum+a
a=a+1
return sum
print(sum_1(100))
print(sum_2(100))
def sum_1(num):
if num==1:
return 1
return num+sum_1(num-1)
def sum_2(num):
a=1
sum=0
while(a<=num):
sum=sum+a
a=a+1
return sum
print(sum_1(100))
print(sum_2(100))
2021-04-30
# coding=utf-8
sum_single=0
sum_double=0
a=1
def sub_sum(L):
for nun in L:
if a%2:
sum_single+=num
else:
sum_double+=num
a=a+1
sum_single=0
sum_double=0
a=1
def sub_sum(L):
for nun in L:
if a%2:
sum_single+=num
else:
sum_double+=num
a=a+1
2021-04-27
# Enter a code
d = {
#'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49
}
name = 'Alice'
if name in d.keys():
d.pop('Alice')
print(d)
else:
print(name+" don't in dict")
print(d)
d = {
#'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49
}
name = 'Alice'
if name in d.keys():
d.pop('Alice')
print(d)
else:
print(name+" don't in dict")
print(d)
2021-04-26
sum = 0
num = 2
flag = True
while flag:
sum += num
if num >= 1000:
flag = False
continue
num +=2
print(sum)
num = 2
flag = True
while flag:
sum += num
if num >= 1000:
flag = False
continue
num +=2
print(sum)
2021-04-23