# string functions

# indexing/slicing
name = "Ben Bitdiddle"
print name[0]
print name[0:3]
print name [4:]

# other cool methods
print name.lower()
print name.upper()
print name.count("d")
print name.split(" ")

# note: strings are immutable
print name.lower()
print name

long_name = name
long_name += " The Third"
print name
print long_name

print name[0]
name[0] = "K" # error

# membership testing
print "B" in name
print "k" in name

# while not (user_input in ["yes", "no", "maybe"]):
    #ask for user input


# tuples

# tuple unpacking
position = (1, 1, 2)
x, y, z = position
print x, y, z

print position[0]
position[0] = 5 # error


# lists
# just like tuples, but mutable
flavors = ["vanilla", "chocolate", "mint"]
print flavors
print flavors[0]

#edit entries
flavors[2] = "strawberry"

#add entries
flavors.append("watermelon")
print flavors

#note: return types
new_flavors = flavors.append("banana")
print new_flavors
print flavors

#delete entries
flavors.pop(0)
print flavors


# aliasing
l1 = [1, 2, 3]
l2 = l1

l2.append(4)

print l2
print l1