# -*- coding: utf-8 -*-

# 1
friend = 1
Friend = 10
print (friend)
print (Friend)
# 2
year = 2020
month = 2
print (year, month)
# 3
print ('string')
print ("string")
print ("This is 'string'")
print (type('string'))
# 4
print("""아무것도 얻지 못한다 "그것"이 무엇이든.""")
# 5
print("\t탭\n다음줄")
# 6
print(r"\t탭\n다음줄")
# 7
print('py' + 'thon')
print('py' * 3)
# 8
a = "python"
print(a)
print(a[0])
print(a[5])
# 9
print(a[0:1])
print(a[1:4])
print(a[:2])
print(a[-2:])
# 10
print(str(3.14))
print(int("49"))
print(float(23))