1.
ave = ( 80 + 75 + 55 ) / 3
print("평균은", ave)
#평균은 70.0
2.
a = 13
if a % 2 == 0:
print("%d은 짝수입니다."%a)
else :
print("%d은 짝수가 아닙니다."%a)
#13은 짝수가 아닙니다.
3.
pin = "881120-1068234"
yyyymmdd = pin[:6]
num = pin[7:]
print(yyyymmdd)
print(num)
#881120
#1068234
4.
pin = "881120-1068234"
print(pin[7])
#1
5.
a ="a:b:c:d"
b = a.replace(':','#')
print(b)
#a#b#c#d
-> 변수. replace(old, new, [count])
6.
a = [1,3,5,4,2]
a.sort()
a.reverse()
print(a)
#[5, 4, 3, 2, 1]
-> reverse함수는 원본을 바꿈
7.
a = ['Life', 'is', 'too', 'short']
result = ' '.join(a)
print(result)
#Life is too short
-> '구분자'.join(리스트)
8.
9.
10.
a = {'A':90, 'B':80, 'C':70}
result = a.pop('B')
print(a)
print(result)
#{'A': 90, 'C': 70}
#80
11.
a = [1,1,1,2,2,3,3,3,4,4,5]
aSet = set(a)
b = list(aSet)
print(b)
#[1, 2, 3, 4, 5]
12.
a = b = [1,2,3]
a[1] = 4
print(b)
print(id(a))
print(id(b))
"""
[1, 4, 3]
2457322280640
2457322280640
"""
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