class documentation

class _Pair:

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Undocumented

Method __init__ Undocumented
Method __repr__ Undocumented
Method substitute Undocumented
Instance Variable left Undocumented
Instance Variable right Undocumented
def __init__(self, left, right):

Undocumented

def __repr__(self):

Undocumented

def substitute(self, symbols_map):

Undocumented

left =

Undocumented

right =

Undocumented