Added all codes.

Codes/Python version/Assignment-A2 (Macro)/Code-A2.py

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+try:
+    source = open('source1.txt', 'r')
+    print("File is read successfully.")
+    source.seek(0)
+except FileNotFoundError:
+    print('\n\n\nsource2.txt file not found. Create it first!\n\n\n')
+except IOError:
+    print('The source file has an IO error')
+
+MDT = []  # Macro Definition Table
+MNT = []  # Macro Name Table
+LIT = []  # Literal Table
+LPT = []  # Literal Pool Table
+
+
+def macroman(line):
+    name = line.split()[1]
+    entry = []
+    entry.append(line.strip())
+    while True:
+        line = source.readline().upper()
+        if not line:
+            print('No MEND found for: ', name)
+            return
+        if 'MACRO' in line:
+            macroman(line)
+        elif 'MEND' in line:
+            global MDT, MNT
+            entry.append(line.strip())
+            MNT.append([len(MNT) + 1, name, len(MDT) + 1])
+            MDT.extend(entry)
+            return
+        else:
+            entry.append(line.strip())
+            # Check for literals and add to the literal table
+            for word in line.split():
+                if word.startswith('='):  # Assuming literals start with '='
+                    if word not in LIT:
+                        LIT.append(word)
+
+
+def pass1():
+    global MDT, MNT, LIT
+    while True:
+        line = source.readline().upper()
+        if not line: break
+        if 'MACRO' in line:
+            macroman(line)
+
+    print('\nMNT:')
+    for a in MNT:
+        print(a)
+
+    print('\nMDT:')
+    for i, a in enumerate(MDT, start=1):
+        print(i, ' ', a)
+
+    print('\nLIT:')
+    for i, lit in enumerate(LIT, start=1):
+        print(i, ' ', lit)
+
+
+pass1()
+
+
+def inserter(sline, name):
+    global MDT, MNT
+    sline = ''
+    for a in MNT:
+        if a[1] == name:
+            add = a[2]
+            break
+    while True:
+        if 'MEND' in MDT[add]:
+            break
+        sline += MDT[add] + '\n'
+        add += 1
+    return sline
+
+
+def pass2():
+    source.seek(0)
+    output = open('output.txt', 'w')
+    output.close()
+    output = open('output.txt', 'a+')
+
+    while True:
+        sline = source.readline().upper()
+        if not sline: break
+        for a in MNT:
+            if a[1] in sline and 'MACRO' not in sline:
+                sline = inserter(sline, a[1])
+        d = sline.strip()
+        # Check for literals in the output line
+        for word in d.split():
+            if word.startswith('='):
+                if word not in LPT:  # If not already in the literal pool table
+                    LPT.append(word)
+
+        if d not in MDT:
+            output.write(sline)
+
+    print('done.')
+    print('\nLPT:')
+    for i, lpt in enumerate(LPT, start=1):
+        print(i, ' ', lpt)
+
+
+pass2()

Codes/Python version/Assignment-A2 (Macro)/source1.txt

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+    MACRO FIBO
+        MOVE A, =5
+        ADD A, B
+    MEND
+
+    MACRO SUM
+        ADD A, B
+        MOVE C, =100
+    MEND
+
+    START: 
+        FIBO
+        SUM