L = ['Alice', 66, 'Bob', True, 'False', 100]
for i in range(len(L)):
if i % 2== 0:
print(L[i])
for i in range(len(L)):
if i % 2== 0:
print(L[i])
2020-11-10
num = 0
sum = 0
while True:
if num >= 1000:
break
num = num + 2
sum = sum + num
print(sum)
sum = 0
while True:
if num >= 1000:
break
num = num + 2
sum = sum + num
print(sum)
2020-11-09
range(var1,var2)#从var1开始，截止var2前一个数字
break 跳出循环
continue 跳过当前循环，进入下一次循环
break 跳出循环
continue 跳过当前循环，进入下一次循环
2020-11-09
var = 'AABCDEFGHHIJ'
result = var[2:-3]
print('A-H:',result)
字符串切割也可以从后向前切，最后一位字符为-1，逐渐递减-1，-2
result = var[2:-3]
print('A-H:',result)
字符串切割也可以从后向前切，最后一位字符为-1，逐渐递减-1，-2
2020-11-09
a="Hello\tWorld"
A="Hello\tWorld"
h1="Hello\tWorld"
_PY="Hello\tWorld"
print(a)
print(A)
print(h1)
print(_PY)
A="Hello\tWorld"
h1="Hello\tWorld"
_PY="Hello\tWorld"
print(a)
print(A)
print(h1)
print(_PY)
2020-11-08
# Enter a code
a=3.1415926
b='Learn Python in imooc'
c=100
d=0b1101
print(type(a))
print(type(b))
print(type(c))
print(type(d))
a=3.1415926
b='Learn Python in imooc'
c=100
d=0b1101
print(type(a))
print(type(b))
print(type(c))
print(type(d))
2020-11-08