#h e l l o ,   w o r l  d  !
#0 1 2 3 4 5 6 7 8 9 10 11 12

a = "Hello, World!"
print(a[1]) #huruf ke berapa
print(a[3:6]) #dari huruf ke berapa, sama batas karakter diambil
print(a[3:]) 
print(a[:6])
print(a[:]) 

print(len(a)) #menghitung berapa banyak karakter pada 1 string

b = "Hello"
c = "World"

d = b + " " + c
e = b + c
print(d)
print(e)
