#  -*- coding: utf-8 -*-
# listop3.py 

student1 = ['홍길동', 80, 90, 85]
student2 = ['이현미', 70, 50, 60]
student3 = ['박미애', 75, 88, 70]
student4 = ['이재인', 90, 85, 80]
student5 = ['박종인', 95, 85, 90]

score = [ student1, student2, student3, student4, student5]
print(score)

print(score[0][0])
print(score[1][:])

# 또는 

score2 = [ ['홍길동', 80, 90, 85],
           ['이현미', 70, 50, 60],
           ['박미애', 75, 88, 70],
           ['이재인', 90, 85, 80],
           ['박종인', 95, 85, 90]]
print (score2)

student2[1] = 85 # 이현미의 통계점수 수정
print(student2)
print(score)
print(score[1][:])

score[1][1] = 90 # 이현미 통계점수 재수정
print(score)
print(student2)

a = 1000
b = 1000
print(a is b)
print(a == b)

a = 1
b = 1
print(a is b)
print(a == b)

print(student1[1]+student1[2])


a = [1, 0.2]
color = ['R', 'G', 'B']
a.insert(0, color)
print(a)

a = [5,4,3,2,1]
b = [1,2,3,4,5]
b = a
print("b=",b)
a.sort()
print("b=",b)