Procedural requirements
Program code
article = input(" Please enter the content you need to typeset ：")
choice = int(input(" Please select the function you want to use （1. Delete the blank space 2. English punctuation replacement 3. Capitalize English words ）："))
if choice == 1:
article = article.replace(" ", "")
elif choice == 2:
choice2 = int(input(" Please select the function you want to use （1. Replace all English punctuation with Chinese punctuation 2. Replace all Chinese punctuation with English punctuation ）："))
if choice2 == 1:
article = article.replace(",", ",")
article = article.replace(".", ".")
article = article.replace(":", "：")
article = article.replace(";", ";")
article = article.replace("!", "！")
article = article.replace("?", "？")
elif choice2 == 2:
article = article.replace(",", ",")
article = article.replace(".", ".")
article = article.replace("：", ":")
article = article.replace(";", ";")
article = article.replace("！", "!")
article = article.replace("？", "?")
else:
print(" Input error, please input again ！！！")
elif choice == 3:
choice3 = int(input(" Please select the function you want to use （1. title case , The rest of the letters are lowercase 2. The full text is capitalized 3. Full text words are capitalized ）："))
if choice3 == 1:
article = article.capitalize()
elif choice3 == 2:
article = article.title()
elif choice3 == 3:
article = article.upper()
else:
print(" Input error, please input again ！！！")
else:
print(" Input error, please input again ！！！")
print(" Content after typesetting ：", article)Running results ：
