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fix(Converting_Roman_to_Integer): handle missing args, case sensitivi… #447

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fix(Converting_Roman_to_Integer): handle missing args, case sensitivi… #447

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69 changes: 41 additions & 28 deletions Converting_Roman_to_Integer/Converting_Roman_to_Integer.py
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Original file line number Diff line number Diff line change
@@ -1,28 +1,41 @@
import sys


romanStr = sys.argv[1]
romanStr = str(romanStr)
dict = {
'I':1,
'V':5,
'X':10,
'L':50,
'C':100,
'D':500,
'M':1000
}

num = 0

romanStr = romanStr.replace("IV","IIII")
romanStr = romanStr.replace("IX","VIIII")
romanStr = romanStr.replace("XL","XXXX")
romanStr = romanStr.replace("XC","LXXXX")
romanStr = romanStr.replace("CD","CCCC")
romanStr = romanStr.replace("CM","DCCCC")
myStr = list(romanStr)
for char in myStr:
num = num + dict[char]

print(num)
import sys

if len(sys.argv) > 1:
romanStr = sys.argv[1]
else:
romanStr = input("Enter a Roman numeral: ")

romanStr = str(romanStr).strip().upper()

if not romanStr:
print("Error: No Roman numeral provided.")
sys.exit(1)

ROMAN_VALUES = {
'I': 1,
'V': 5,
'X': 10,
'L': 50,
'C': 100,
'D': 500,
'M': 1000
}

invalid_chars = [char for char in romanStr if char not in ROMAN_VALUES]
if invalid_chars:
print(f"Error: Invalid Roman numeral character(s) '{''.join(set(invalid_chars))}'.")
sys.exit(1)

num = 0

romanStr = romanStr.replace("IV", "IIII")
romanStr = romanStr.replace("IX", "VIIII")
romanStr = romanStr.replace("XL", "XXXX")
romanStr = romanStr.replace("XC", "LXXXX")
romanStr = romanStr.replace("CD", "CCCC")
romanStr = romanStr.replace("CM", "DCCCC")

for char in romanStr:
num += ROMAN_VALUES[char]

print(num)