# Enter a code
s1 = set([1, 2, 3, 4, 5])
s2 = set([1, 2, 3, 4, 5, 6, 7, 8, 9])
print(s2.intersection(s1))
{1, 2, 3, 4, 5}
print(s2.difference(s1))
{8, 9, 6, 7}
s1 = set([1, 2, 3, 4, 5])
s2 = set([1, 2, 3, 4, 5, 6, 7, 8, 9])
print(s2.intersection(s1))
{1, 2, 3, 4, 5}
print(s2.difference(s1))
{8, 9, 6, 7}
2023-04-11
score = {}
if score > 18:
print('adult')
else:
print('teenager')
结果是 adult，求解惑
if score > 18:
print('adult')
else:
print('teenager')
结果是 adult，求解惑
2023-03-28
最赞回答 / 慕少0598786
因为你写错了a=0b=0while True: if a > 1000: break if a % 2 == 0: b=b+a a=a+1print(b) 这样才对
2023-03-27
l=[75,92,59,68,99]
sum=0
a=0
for i in l:
if i is not None:
sum=eval("sum + i")
a=eval("a+1")
else:
break
b=eval("sum/a")
print("总值是：",sum)
print("一共有",a,"个值")
print("平均值为：",b)
sum=0
a=0
for i in l:
if i is not None:
sum=eval("sum + i")
a=eval("a+1")
else:
break
b=eval("sum/a")
print("总值是：",sum)
print("一共有",a,"个值")
print("平均值为：",b)
2023-03-23
a=int(input("请输入您的年龄："))
if a >=18:
print("adult")
elif a <18 and a > 6:
print("teenager")
elif a >=3 and a<=6:
print("kid")
else:
print("baby")
if a >=18:
print("adult")
elif a <18 and a > 6:
print("teenager")
elif a >=3 and a<=6:
print("kid")
else:
print("baby")
2023-03-23
template = '{}'
result1 = template.format('Life is short, you need Python')
print(result1)
temp = 'Life is short, {}'
result2 = temp.format('you need Python')
print(result2)
tmp = "{0} {1} {2}, {3} {4} {5}"
result3 = tmp.format('Life','is','short','you','need','Python')
print(result3)
result1 = template.format('Life is short, you need Python')
print(result1)
temp = 'Life is short, {}'
result2 = temp.format('you need Python')
print(result2)
tmp = "{0} {1} {2}, {3} {4} {5}"
result3 = tmp.format('Life','is','short','you','need','Python')
print(result3)
2023-03-19
print(r"""'\"To be, or not to be\": that is the question.\nWheth
er it\'s nobler in the mind to suffer.'""")
er it\'s nobler in the mind to suffer.'""")
2023-03-19
print("special string: '")
print("\"")
print("\\")
print("\\\\")
print("\\n")
print("\\t")
print("\"")
print("\\")
print("\\\\")
print("\\n")
print("\\t")
2023-03-19
