def sub_sum(n):
if n <= 0:
return 0
return n+sub_sum(n-1)
n=100
print(sub_sum(n))
if n <= 0:
return 0
return n+sub_sum(n-1)
n=100
print(sub_sum(n))
2025-07-06
# 方法一
template1 = 'Life is {0}, you need {1}'
print(template1.format('short', 'Python'))
# 方法二
template2 = 'Lift is {p1}, you need {p2}'
print(template2.format(p1 = 'short', p2 = 'Python'))
template1 = 'Life is {0}, you need {1}'
print(template1.format('short', 'Python'))
# 方法二
template2 = 'Lift is {p1}, you need {p2}'
print(template2.format(p1 = 'short', p2 = 'Python'))
2025-05-19