War and Peace

# Split into a list, then check the elements of the list
with open(r"c:\Users\user\Desktop\warandpeace.txt", "r") as text:
    for line in text:
        line = [word.lower() for word in line.split(" ")]
        war += line.count("war")
        peace += line.count("peace")

# split into a list, check the elements of the list using len and list comprehension
with open(r"c:\Users\user\Desktop\warandpeace.txt", "r") as text:
    for line in text:
        line = [word.lower() for word in line.split(" ")]
        war += len([word for word in line if word == "war"])
        peace += len([word for word in line if word == "peace"])

# words starting with the specified word
with open(r"c:\Users\user\Desktop\warandpeace.txt", "r") as text:
    for line in text:
        words = [word.lower() for word in line.split(" ")]
        for word in words:
            if word.startswith("war"):
                war += 1
            if word.startswith("peace"):
                peace +=1

# allow any substring to match
with open(r"c:\Users\user\Desktop\warandpeace.txt", "r") as text:
    for line in text:
        war += line.count("war")
        peace += line.count("peace")