codeConnects/playground.py at master · RYMMH/codeConnects · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
class GregStack():

    def __init__(self):
        self.list = []

    def push(self,data):
        self.list.append(data)

    def peek(self):
        return self.list[len(self.list)-1]

    def pop(self):
        item = self.list.pop(len(self.list)-1)
        return item

stk = GregStack()
stk.push("HI")
stk.push("Oh")
print(stk.peek())
print(stk.pop())
print(stk.pop())

class GregQueue():
    def __init__(self):
        self.list = []

    def enque(self, data):
        self.list.insert(0, data)

    def dequeue(self):
        item = self.list.pop(len(self.list)-1)
        return item

q = GregQueue()
q.enque("1")
q.enque("2")
print(q.dequeue())
print(q.dequeue())

def string_times(str, n):
  x = 0
  end = ""

  while x < n:
    end = end+str
    x = x + 1
    print(end)

  return str

string_times("hi", 4)