| 1 | class Stack: |
| 2 | |
| 3 | def __init__(self): |
| 4 | self.stack = [] |
| 5 | self.top = 0 |
| 6 | |
| 7 | def is_empty(self): |
| 8 | return (self.top == 0) |
| 9 | |
| 10 | def push(self, item): |
| 11 | if self.top < len(self.stack): |
| 12 | self.stack[self.top] = item |
| 13 | else: |
| 14 | self.stack.append(item) |
| 15 | |
| 16 | self.top += 1 |
| 17 | |
| 18 | def pop(self): |
| 19 | if self.is_empty(): |
| 20 | return None |
| 21 | else: |
| 22 | self.top -= 1 |
| 23 | return self.stack[self.top] |
nothing calls this directly
no outgoing calls
no test coverage detected