兄弟们,温故而知新,可以为师矣。
就是说,我们所学过的东西,要去多复习,这样才能总结出属于自己的理解,这样就可以做老师了。
但是我以为的我以为,后面可以改成,将自己所学及所领会的教给别人,这样才能更加记忆深刻。
今日内容:Python将多个文件多列进行关联
知识点
- 文件读写
- 基础语法
- 异常处理
- 循环语句
- 字符串处理
代码展示
# 导入系统包
import platform
print("温故而知新,可以为师矣")
print("Python如何将多个文件多列进行关联 ")
grade_dict = {}
# 需要先创建文件py015_grade.txt
with open("py015_grade.txt", encoding="utf8") as f:
for line in f:
sno, grade = line.strip().split(",")
grade_dict[sno] = grade
print(grade_dict)
# 需要先创建文件py015.txt
fout = open("py015.txt", "w", encoding="utf8")
with open("py015_student.txt", encoding="utf8") as f:
for line in f:
sno, sname = line.strip().split(",")
grade = grade_dict[sno]
# 关联py015_student.txt、py015_grade.txt写入py015.txt
fout.write(f"{sno},{sname},{grade}\n")
# 关闭文件流
fout.close()
print("Python 版本", platform.python_version())
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