L = [95.5, 85, 59, 66, 72]
L.sort(reverse=True)
print(L[-5:-2])
L.sort(reverse=True)
print(L[-5:-2])
2021-07-12
L = [95.5, 85, 59, 66, 72]
L.sort(reverse=True)
print(L[0:3])
L.sort(reverse=True)
print(L[0:3])
2021-07-12
9-7 定义average函数时，在取参数时不是args，而是args[0]，否则sum+=item这句会报int+list错误，因为args是一个tuple类型
2021-07-12
d = {'Alice': [50, 61, 66], 'Bob': [80, 61, 66], 'Candy': [88, 75, 90]}
l=[]
t=()
for k,v in d.items():
l= [k]
for i in v:
l.append(i)
t=tuple(l)
print("%s的三次成绩分别是%s，%s，%s"%t)
l=[]
t=()
for k,v in d.items():
l= [k]
for i in v:
l.append(i)
t=tuple(l)
print("%s的三次成绩分别是%s，%s，%s"%t)
2021-07-07
d = {
'Alice': [45],
'Bob': [60],
'Candy': [75],
}
c={}
c['Alice']=[50, 61, 66]
c['Bob']=[80, 61, 66]
c['Candy']=[88, 75, 90]
for key in c:
d[key].extend(c[key])
print(d)
'Alice': [45],
'Bob': [60],
'Candy': [75],
}
c={}
c['Alice']=[50, 61, 66]
c['Bob']=[80, 61, 66]
c['Candy']=[88, 75, 90]
for key in c:
d[key].extend(c[key])
print(d)
2021-07-07
s=1
L = [[1, 2, 3], [5, 3, 2], [7, 3, 2]]
for i in range(len(L)):
for ii in range(len(L[i])):
s=s*L[i][ii]
print("第%d个表面积:%s"%(i+1,s))
L = [[1, 2, 3], [5, 3, 2], [7, 3, 2]]
for i in range(len(L)):
for ii in range(len(L[i])):
s=s*L[i][ii]
print("第%d个表面积:%s"%(i+1,s))
2021-07-06
m =[89, 72, 88, 79, 99]
n = ['Alice', 'Bob', 'Candy', 'David', 'Ellena']
a=list(zip(m,n))
a.sort(reverse=True)
print(a)
for i in range(3):
print(a[i][1])
n = ['Alice', 'Bob', 'Candy', 'David', 'Ellena']
a=list(zip(m,n))
a.sort(reverse=True)
print(a)
for i in range(3):
print(a[i][1])
2021-07-06