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
L = ['Alice', 'Bob', 'Candy', 'David', 'Ellena']
name1 = L.pop(2)
name2 = L.pop(2)
print(L)
name1 = L.pop(2)
name2 = L.pop(2)
print(L)
2023-03-16
最新回答 / 天堂没有神
template1 = 'Life is {},'template2 = 'you need {a}'k423 = 'python'print(template1.format('short'),template2.format(a=k423))这样就可以
2023-03-15
最新回答 / qq_慕工程7590247
result = template.format(w=w , c=c , b=b, i=i )这一行要这样写，w=w，第一个w指template = 'Hello {w}, Hello {c}, Hello {b}, Hello {i}.'这里定义的形参，第二个指 w = 'World'这里定义的实参学了函数就知道了这个报错就是编译器找不到你定义的实参
2023-03-15