s = "ABCDEFGHIGKLMNOPQRSTUVWXYZ"
print(s[3])
print(s[0:4])
print(s[1:])
print(s[1:3])
print(s[ :3])
print(s[1: ])
print(s[3])
print(s[0:4])
print(s[1:])
print(s[1:3])
print(s[ :3])
print(s[1: ])
2025-02-23
>>> Length=3.14
>>> Width=1.57
>>> result=round(Length*Width,2)#
>>> print(result)
4.93
>>> Width=1.57
>>> result=round(Length*Width,2)#
>>> print(result)
4.93
2025-02-22
>>> Python='寶庫'#
>>> print(Python)
寶庫
>>> I='我'#
>>> Love='愛'#
>>> Python='Python計算機語言'#
>>> print(I,Love,Python)
我 愛 Python計算機語言
>>> s='雖然'#
>>> i='我'#
>>> B='很笨'#
>>> print(s,i,B)
雖然 我 很笨
>>> D='但是'#
>>> i='我'#
>>> N='努力'#
>>> print(D,i,N)
但是 我 努力
>>> H='會'#
>>> C='成功'#
>>> print(i,H,C)
我 會 成功
>>> print(Python)
寶庫
>>> I='我'#
>>> Love='愛'#
>>> Python='Python計算機語言'#
>>> print(I,Love,Python)
我 愛 Python計算機語言
>>> s='雖然'#
>>> i='我'#
>>> B='很笨'#
>>> print(s,i,B)
雖然 我 很笨
>>> D='但是'#
>>> i='我'#
>>> N='努力'#
>>> print(D,i,N)
但是 我 努力
>>> H='會'#
>>> C='成功'#
>>> print(i,H,C)
我 會 成功
2025-02-22
# Enter a code
L = [75, 92, 59, 68, 99]
sum = 0
for i in L:
sum += i
avg = sum / len(L)
print(avg)
L = [75, 92, 59, 68, 99]
sum = 0
for i in L:
sum += i
avg = sum / len(L)
print(avg)
2025-02-13
>>> print('hello {},hello{},hello{}'.format('sha bi','da sha bi','chaoji da sha bi'))
hello sha bi,helloda sha bi,hellochaoji da sha bi
>>> print('hello {a},hello ,hello {c}'.format(a='sha bi',b='da sha bi',c='chaoji da sha bi'))
hello sha bi,hello da sha bi,hello chaoji da sha bi
hahahahahahaha~
hello sha bi,helloda sha bi,hellochaoji da sha bi
>>> print('hello {a},hello ,hello {c}'.format(a='sha bi',b='da sha bi',c='chaoji da sha bi'))
hello sha bi,hello da sha bi,hello chaoji da sha bi
hahahahahahaha~
2025-02-08