algorithm/Python
1
0
Fork 0
mirror of https://github.com/TheAlgorithms/Python.git synced 2025-07-06 10:31:29 +08:00
Code Issues Packages Projects Releases Wiki Activity

psf/black code formatting (#1277)

Browse Source
This commit is contained in:
William Zhang
2019-10-05 01:14:13 -04:00
committed by Christian Clauss
parent 07f04a2e55
commit 9eac17a408
291 changed files with 6014 additions and 4571 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
data_structures/stacks/stack.py
View File

@ -1,4 +1,4 @@
__author__ = 'Omkar Pathak'
__author__ = "Omkar Pathak"
class Stack(object):
@ -32,7 +32,7 @@ class Stack(object):
if self.stack:
return self.stack.pop()
else:
raise IndexError('pop from an empty stack')
raise IndexError("pop from an empty stack")
def peek(self):
""" Peek at the top-most element of the stack."""
@ -52,17 +52,17 @@ class StackOverflowError(BaseException):
pass
if __name__ == '__main__':
if __name__ == "__main__":
stack = Stack()
for i in range(10):
stack.push(i)
print('Stack demonstration:\n')
print('Initial stack: ' + str(stack))
print('pop(): ' + str(stack.pop()))
print('After pop(), the stack is now: ' + str(stack))
print('peek(): ' + str(stack.peek()))
print("Stack demonstration:\n")
print("Initial stack: " + str(stack))
print("pop(): " + str(stack.pop()))
print("After pop(), the stack is now: " + str(stack))
print("peek(): " + str(stack.peek()))
stack.push(100)
print('After push(100), the stack is now: ' + str(stack))
print('is_empty(): ' + str(stack.is_empty()))
print('size(): ' + str(stack.size()))
print("After push(100), the stack is now: " + str(stack))
print("is_empty(): " + str(stack.is_empty()))
print("size(): " + str(stack.size()))