def findStr(desstr , substr):
count = 0
length = len(desstr)
if substr not in desstr:
print("未找到您输入的字符串")
else:
for each in range(length-1):
if desstr[each] == substr[0]:
if desstr[each + 1] == substr[1]:
count += 1
print("子字符串出现的次数为:", count)
desstr = input("请输入目标字符串:")
substr = input("请输入子字符串(两个字符):")
print(findStr(desstr , substr))
题目2.
#Python" // "表示整数除法
def narcissu():
result = []
for each in range(100,1000):
ge = each % 10
shi = (each // 10) %10
bai = (each // 100) %10
if each == ge ** 3 + shi ** 3 + bai ** 3:
result.append(each)
print(result)