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for year in range(1900,1921):
for month in range(1,13):
for day in range(1,30):
if month < 10 and day < 10:
d = str(year) + '0' + str(month) + '0' + str(day)
elif month < 10 and day >= 10:
d = str(year) + '0' + str(month) + str(day)
elif month >= 10 and day < 10:
d = str(year) + str(month) + '0' + str(day)
else:
d = str(year) + str(month) + str(day)
print(d)
这个程序是打印出1900--1920年的所有年月日,我想把这些输入都封装到一个列表里,并且计算出这个列表里有多少个元素,该怎么修改呢?
- list1 = []
- for year in range(1900, 1921):
- for month in range(1, 13):
- for day in range(1, 30):
- if month < 10 and day < 10:
- d = str(year) + '0' + str(month) + '0' + str(day)
- elif month < 10 and day >= 10:
- d = str(year) + '0' + str(month) + str(day)
- elif month >= 10 and day < 10:
- d = str(year) + str(month) + '0' + str(day)
- else:
- d = str(year) + str(month) + str(day)
- list1.append(d)
- print(list1)
- print(len(list1))
复制代码
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