1_main.py

import matplotlib.pyplot as plt
import networkx as nx

def draw_fsa(G, title):
    pos = nx.spring_layout(G)
    labels = nx.get_edge_attributes(G, 'label')
    
    plt.figure(figsize=(12, 6))
    nx.draw(G, pos, with_labels=True, node_size=2000, node_color='skyblue', font_size=15, font_weight='bold')
    nx.draw_networkx_edge_labels(G, pos, edge_labels=labels, font_size=12)
    plt.title(title)
    plt.show()

# Definisikan FSA M1
M1 = nx.DiGraph()
M1.add_edges_from([
    ('q0', 'q1', {'label': 'a'}),
    ('q1', 'q2', {'label': 'b'})
])
M1.nodes['q0']['initial'] = True
M1.nodes['q2']['accept'] = True

# Definisikan FSA M2
M2 = nx.DiGraph()
M2.add_edges_from([
    ('p0', 'p1', {'label': 'c'}),
    ('p1', 'p2', {'label': 'd'})
])
M2.nodes['p0']['initial'] = True
M2.nodes['p2']['accept'] = True

# Gabungan dari M1 dan M2
Union = nx.DiGraph()
Union.add_edges_from([
    ('start', 'q0', {'label': 'ε'}),
    ('start', 'p0', {'label': 'ε'})
])
Union = nx.compose(Union, M1)
Union = nx.compose(Union, M2)

# Konkatenasi dari M1 dan M2
Concat = nx.DiGraph()
Concat = nx.compose(M1, M2)
Concat.add_edges_from([
    ('q2', 'p0', {'label': 'ε'})
])

# Gambar automata
draw_fsa(M1, 'Automaton M1')
draw_fsa(M2, 'Automaton M2')
draw_fsa(Union, 'Union dari M1 dan M2')
draw_fsa(Concat, 'Concatenation dari M1 dan M2')

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