temp = input('请输入一个整数:')
number = int(temp)
i = 1
while number:
print(i)
i = i + 1
number = number - 1
temp = input('请输入一个整数:')
number = int(temp)
i = 1
while i<=number:
print(i)
i = i + 1
temp = input('请输入一个整数:')
number = int(temp)
while number:
i = number - 1
while i:
print(' ', end = '')
i = i - 1
j = number
while j:
print('*', end = '')
j = j - 1
print()
number = number - 1
i=1j=100
while i<=j:
if i%2!=0:
print(i)
i=i+1
题目:请编程求解该阶梯至少有多少阶?
i=1
while 1:
if i%2==1 and i%3==2 and i%5==4 and i%6==5 and i%7==0:
print("阶梯的长度是"+str(i))
break
i=i+1
答案是:4
not or and 的优先级是:not > and > or
我们按照优先级给它们加上括号:(not 1) or (0 and 1) or (3 and 4) or (5 and 6) or (7 and 8 and 9) == 0 or 0 or 4 or 6 or 9 == 4
为啥是 4?
按照“短路逻辑”:3 and 4 == 4,而 3 or 4 == 3。 所以答案是:4
print(2 ** 2 ** 32)
一般很多机子都会在一会儿之后:Memory Overflow,内存不够用。涉及到幂操作,结果都是惊人滴。