1.输出0~1000之间的偶数
list1 = []
for i in range(0,10001):
if i % 2 == 0:
list1.append(i)
print(list1)
2.输出0~4组成的不同的三位数
list2 = []
for i in range(1,5):
for j in range(0,5):
for k in range(0,5):
if (i != j and i != k and j != k):
num = i*100 +j*10+k
list2.append(num)
print(len(list2))
print(list2)
3.质数
from math import sqrt
def is_prime(n):
if n == 1:
return False
for i in range(2, int(sqrt(n))+1):
if n % i == 0:
return False
return True