本文主要是介绍2024.5.24.python.exercise，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
# python文件操作
# f = open("打字版.txt", "a", encoding="UTF-8")
# writer = input("请输入你想要写入到文件的内容")
# f.write(writer)
# f.flush()
# f.close()
# f = open("打字版.txt", "r", encoding="UTF-8")
# i = 1
# for line in f:
# print(f"第{i}行的内容是{line}")
# i += 1
# f.close()
#
# with open("打字版.txt", "r", encoding="UTF-8") as f:
# i = 0
# for line in f:
# print(f"第{i}行的内容是{line}")
# i += 1#
# f = open("打字版.txt", "r", encoding="UTF-8")
# new_file = open("bill.txt.bak", "w", encoding="UTF-8")
# for line in f:
# file_line = line.strip()
# if (file_line.split(",")[4]) == "测试":
# continue
# else:
# new_file.write(file_line)
# new_file.write("\n")
# f.close()
# new_file.close()# 异常捕获
#
# try:
# f = open("zxl.txt", "r", encoding="UTF-8")
# except Exception as e:
# print(e)
# f = open("zxl.txt", "w", encoding="UTF-8")
# f.write("zxl 520")
# f.close()
# f = open("zxl.txt", "r", encoding="UTF-8")
# else:
# print("No Error")
# finally:
# print(f.read())
# f.close()#
# # 异常的传递性
# def func1():
# return 1/0
# def func2():
# result = func1()
# return None
# def func3():
# func2()
# return None
#
# try:
# func3()
# except Exception as error:
# print(error)
# else:
# print("No Error")
# finally:
# print("end")# 文件操作
# 读文件
f = open("打字版.txt", "r", encoding="UTF-8")
i = 1
f.close()
# 按行读 1
# for line in f:
# print(f"第{i}行的文件内容是{line}")
# i += 1
# f.close()
# 按行读 2
# print(f.readlines())
# 按行读 3
# n = int(input("请输入你想读几行?"))
# for i in range(n):
# print(f.readline())# 按字节读
#
# n = int(input("请输入你想读几个字节?"))
# for i in range(n):
# print(f.read(n))
# f.close()
#
# # 写文件
# f = open("wzb.txt", "w", encoding="UTF-8")
# n = int(input("请问你要写入文件的内容有几行?"))
# j = 1
# for i in range(n):
# files = input(f"请输入你想要写入文件的第{j}行内容")
# f.write(files)
# f.write("\n")
# j += 1
# f.flush()
# f.close()# 备份文件
# f = open("打字版.txt", "r", encoding="UTF-8")
# new_file = open("bills.txt", "w", encoding="UTF-8")
# for line in f:
# files = line.strip() # 先规整字符串
# if files.split(",")[4] == "测试": # 再通过","将其分为5个列表中的元素，然后进行对照
# continue
# else:
# new_file.write(line)
# new_file.write("\n")
# new_file.flush()
# f.close()
# new_file.close()#
# f = open("打字版.txt", "r", encoding="UTF-8")
# new_file = open("bills.txt", "w", encoding="UTF-8")
# for line in f:
# files = line.strip()
# if "测试" in files:
# continue
# else:
# new_file.write(line)
# new_file.write("\n")
# new_file.flush()
# f.close()
# new_file.close()# 错误检测
# def func1():
# return 1 / 0
# try:
# result = func1()
# except Exception as e:
# print(e)
# else:
# print("No Error")# from time import sleep
# # 倒计时
# j = 5
# for i in range(1, 6):
# print(j)
# j -= 1
# sleep(1)# from time import *
# print("z")
# sleep(2)
# print("720")
#
# import time as t
# print("z")
# t.sleep(2)
# print("720")# 自己创造模块
#
# import my_module1
# my_module1.sum_number(1, 2)
#
#
# from my_module1 import sum_number
# sum_number(5, 6)
#
# import my_module1
# my_module1.sum_number(1, 5)
# from my_module2 import *
# compute(2, 3)#
# import my_package.my_test_module1
# import my_package.my_test_module2
# my_package.my_test_module1.compute2(1, 1)
# my_package.my_test_module2.my_print1()from my_package import *
my_test_module1.compute1(4, 5)这篇关于2024.5.24.python.exercise的文章就介绍到这儿，希望我们推荐的文章对编程师们有所帮助！
