s1 = set([1, 2, 3, 4, 5])
s2 = set([1, 2, 3, 4, 5, 6, 7, 8, 9])
s = s2.isdisjoint(s1)
if s == False:
for i in s1:
if i in s2:
print(i)
s2 = set([1, 2, 3, 4, 5, 6, 7, 8, 9])
s = s2.isdisjoint(s1)
if s == False:
for i in s1:
if i in s2:
print(i)
2020-09-22
s = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
num=0
while True:
if num>19
break
num=num+1
ss=s[0:num]
print(ss)
這個是哪里錯了.
num=0
while True:
if num>19
break
num=num+1
ss=s[0:num]
print(ss)
這個是哪里錯了.
2020-09-22
老师这个答案好像错了哦!
我写的是,供参考
num=1
sum=0
while num <= 9:
if num % 2==0:
sum = sum + num
num=num+1
continue
num=num+1
print(sum)
我写的是,供参考
num=1
sum=0
while num <= 9:
if num % 2==0:
sum = sum + num
num=num+1
continue
num=num+1
print(sum)
2020-09-21
T = ((1+2), ((1+2),), ('a'+'b'), (1, ), (1, 2, 3, 4, 5))
s = 0
for i in T:
if '(' in str(i):
s+=1
print(s)
s = 0
for i in T:
if '(' in str(i):
s+=1
print(s)
2020-09-20
L = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
S = set([1, 3, 5, 7, 9, 11])
for a in L:
if a in S:
L.remove(a)
else :
continue
S.update(L)
print(S)
print(L)
S = set([1, 3, 5, 7, 9, 11])
for a in L:
if a in S:
L.remove(a)
else :
continue
S.update(L)
print(S)
print(L)
2020-09-18
这个代码不可以,因为L.pop(2)之后Candy出去了,现在要退学的David是在第二个位置,所以下一个位置还是需要pop(2)
2020-09-18
# Enter a code
# -*- encoding:utf-8 -*-
width=1.57
height=3.14
m3=width*height
m3=round(m3,3)
print("长方形的面积为"+str(m3))
# -*- encoding:utf-8 -*-
width=1.57
height=3.14
m3=width*height
m3=round(m3,3)
print("长方形的面积为"+str(m3))
2020-09-18