# 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
# Enter a code
s1 = 'ABC'
s2 = '123'
s3 = 'xyz'
for m in s1:
for n in s2:
for p in s3:
print(m + n + p)
s1 = 'ABC'
s2 = '123'
s3 = 'xyz'
for m in s1:
for n in s2:
for p in s3:
print(m + n + p)
2021-04-23
# Enter a code
sum = 0
num = 0
while num <= 1000:
if num % 2 == 0:
sum = sum + num
num = num + 1
continue
print(sum)
sum = 0
num = 0
while num <= 1000:
if num % 2 == 0:
sum = sum + num
num = num + 1
continue
print(sum)
2021-04-23
# Enter a code
num = 0
sum = 0
while True:
if num > 1000:
break
if num % 2 == 0:
sum = sum + num
num = num + 1
print(sum)
num = 0
sum = 0
while True:
if num > 1000:
break
if num % 2 == 0:
sum = sum + num
num = num + 1
print(sum)
2021-04-23
# Enter a code
d = {
'Alice': [45],
'Bob': [60],
'Candy': [75],
}
scores = [[50,61,66],[80,61,66],[88,75,90]]
name=[]
for key in d:
name.append(key)
n=0
if n<len(scores):
for i in name:
for s in scores[n]:
d[i].append(s)
n+=1
else:
pass
print(d)
d = {
'Alice': [45],
'Bob': [60],
'Candy': [75],
}
scores = [[50,61,66],[80,61,66],[88,75,90]]
name=[]
for key in d:
name.append(key)
n=0
if n<len(scores):
for i in name:
for s in scores[n]:
d[i].append(s)
n+=1
else:
pass
print(d)
2021-04-23
最赞回答 / qq_棠梨煎雪故人来_03907185
def greet(x='world'): print 'hello,'+x就这两行就行的，非搞那么复杂，参数默认值设置成none那和没有默认值也没啥区别了
2021-04-23
