l = [[1, 2, 3], [5, 3, 2], [7, 3, 2]]
for ch in l:
a = ch[0]
b = ch[1]
c = ch[2]
s = 2*(a*b+a*c+b*c)
print(s)
for ch in l:
a = ch[0]
b = ch[1]
c = ch[2]
s = 2*(a*b+a*c+b*c)
print(s)
2020-12-17
L = ['Alice', 66, 'Bob', True, 'False', 100]
i = 1
for ch in L:
i = i+1
if i % 2 == 0:
continue
print(ch)
i = 1
for ch in L:
i = i+1
if i % 2 == 0:
continue
print(ch)
2020-12-16
L = [95.5, 85, 59, 66, 72]
L.sort(reverse=True)
sub_L = L[0:3]
print(sub_L)
L.sort(reverse=True)
sub_L = L[0:3]
print(sub_L)
2020-12-16
3.1415926-------浮点数
'Learn Python in imooc.'-----字符串
100-----整数
0b1101-----二进制数
'Learn Python in imooc.'-----字符串
100-----整数
0b1101-----二进制数
2020-12-15
已采纳回答 / qq_单独艺人的一_0
你的else后面也要像age < 18一样加上：，即if age < 18: print('too young')else: print('adult')<...code...>
2020-12-14
