# tableformat.py
'''
class which does nothign and provides template is known as abstract class (also in c++)
'''
class TableFormatter: # is an abstract class
def headings(self, headers):
'''
Emit the table headings.
'''
raise NotImplementedError()
def row(self, rowdata):
'''
Emit a single row of table data.
'''
raise NotImplementedError()
class TextTableFormatter(TableFormatter):
'''
Emit a table in text fromat
'''
def headings(self, headers):
for h in headers:
print(f'{h:>10s}', end= ' ')
print()
print(('-'*10 + ' ')*len(headers))
#return super().headings(headers)
def row(self,rowdata):
for d in rowdata:
print(f'{d:>10s}', end= ' ')
print()