func.py

# file1=open(r"C:\Users\Administrator\Desktop\test.txt","w",encoding="utf-8")
# file1.write("侯逸凡：1本\n")
# file1.close()
# with open(r"C:\Users\Administrator\Desktop\test.txt","a",encoding="utf-8") as file1:
#     file1.write("侯逸凡是个大帅哥\n")
with open(r"C:\Users\Administrator\Desktop\test.txt","r",encoding="utf-8") as file1:
    for data in file1:
        if "侯逸凡是个大帅哥" in data:
            print("在在在")