Python-DSA/ArrayStack.py at main · Francesco601/Python-DSA · GitHub

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classArrayStack:

def__init__(self):
self.data=[]

def__len__(self):
returnlen(self.data)

defis_empty(self):
returnlen(self.data) ==0

defpush(self,e):
self.data.append(e)

deftop(self):
ifself.is_empty():
returnNone
else:
returnself.data[-1]

defpop(self):
ifself.is_empty():
returnNone
else:
returnself.data.pop()

defreverse_file(filename):
S=ArrayStack()
original=open(filename)
forlineinoriginal:
S.push(line.rstrip("\n"))
original.close()

output=open(filename,"w")
whilenotS.is_empty():
output.write(S.pop() +"\n")
output.close()


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classArrayStack:

def__init__(self):
self.data=[]

def__len__(self):
returnlen(self.data)

defis_empty(self):
returnlen(self.data) ==0

defpush(self,e):
self.data.append(e)

deftop(self):
ifself.is_empty():
returnNone
else:
returnself.data[-1]

defpop(self):
ifself.is_empty():
returnNone
else:
returnself.data.pop()

defreverse_file(filename):
S=ArrayStack()
original=open(filename)
forlineinoriginal:
S.push(line.rstrip("\n"))
original.close()

output=open(filename,"w")
whilenotS.is_empty():
output.write(S.pop() +"\n")
output.close()


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classArrayStack:

def__init__(self):
self.data=[]

def__len__(self):
returnlen(self.data)

defis_empty(self):
returnlen(self.data) ==0

defpush(self,e):
self.data.append(e)

deftop(self):
ifself.is_empty():
returnNone
else:
returnself.data[-1]

defpop(self):
ifself.is_empty():
returnNone
else:
returnself.data.pop()

defreverse_file(filename):
S=ArrayStack()
original=open(filename)
forlineinoriginal:
S.push(line.rstrip("\n"))
original.close()

output=open(filename,"w")
whilenotS.is_empty():
output.write(S.pop() +"\n")
output.close()


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classArrayStack:

def__init__(self):
self.data=[]

def__len__(self):
returnlen(self.data)

defis_empty(self):
returnlen(self.data) ==0

defpush(self,e):
self.data.append(e)

deftop(self):
ifself.is_empty():
returnNone
else:
returnself.data[-1]

defpop(self):
ifself.is_empty():
returnNone
else:
returnself.data.pop()

defreverse_file(filename):
S=ArrayStack()
original=open(filename)
forlineinoriginal:
S.push(line.rstrip("\n"))
original.close()

output=open(filename,"w")
whilenotS.is_empty():
output.write(S.pop() +"\n")
output.close()


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classArrayStack:

def__init__(self):
self.data=[]

def__len__(self):
returnlen(self.data)

defis_empty(self):
returnlen(self.data) ==0

defpush(self,e):
self.data.append(e)

deftop(self):
ifself.is_empty():
returnNone
else:
returnself.data[-1]

defpop(self):
ifself.is_empty():
returnNone
else:
returnself.data.pop()

defreverse_file(filename):
S=ArrayStack()
original=open(filename)
forlineinoriginal:
S.push(line.rstrip("\n"))
original.close()

output=open(filename,"w")
whilenotS.is_empty():
output.write(S.pop() +"\n")
output.close()


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classArrayStack:

def__init__(self):
self.data=[]

def__len__(self):
returnlen(self.data)

defis_empty(self):
returnlen(self.data) ==0

defpush(self,e):
self.data.append(e)

deftop(self):
ifself.is_empty():
returnNone
else:
returnself.data[-1]

defpop(self):
ifself.is_empty():
returnNone
else:
returnself.data.pop()

defreverse_file(filename):
S=ArrayStack()
original=open(filename)
forlineinoriginal:
S.push(line.rstrip("\n"))
original.close()

output=open(filename,"w")
whilenotS.is_empty():
output.write(S.pop() +"\n")
output.close()


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classArrayStack:

def__init__(self):
self.data=[]

def__len__(self):
returnlen(self.data)

defis_empty(self):
returnlen(self.data) ==0

defpush(self,e):
self.data.append(e)

deftop(self):
ifself.is_empty():
returnNone
else:
returnself.data[-1]

defpop(self):
ifself.is_empty():
returnNone
else:
returnself.data.pop()

defreverse_file(filename):
S=ArrayStack()
original=open(filename)
forlineinoriginal:
S.push(line.rstrip("\n"))
original.close()

output=open(filename,"w")
whilenotS.is_empty():
output.write(S.pop() +"\n")
output.close()


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classArrayStack:

def__init__(self):
self.data=[]

def__len__(self):
returnlen(self.data)

defis_empty(self):
returnlen(self.data) ==0

defpush(self,e):
self.data.append(e)

deftop(self):
ifself.is_empty():
returnNone
else:
returnself.data[-1]

defpop(self):
ifself.is_empty():
returnNone
else:
returnself.data.pop()

defreverse_file(filename):
S=ArrayStack()
original=open(filename)
forlineinoriginal:
S.push(line.rstrip("\n"))
original.close()

output=open(filename,"w")
whilenotS.is_empty():
output.write(S.pop() +"\n")
output.close()