#不能將字符串類型與整型數(shù)據(jù)類型混合賦給字符串變量
#例：message?=?“happy?“?+?age?+“rd?Birthday“;（錯誤）
age?=?23;
message?=?“happy?“?+?str（age）?+“rd?Birthday“;
print（message）;
age=24+45;
print（age）;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????212??2018-07-24?15:01??python編程從入門到實踐的案例和動手試一試源代碼\readme.txt

?????文件????????228??2018-06-29?17:13??python編程從入門到實踐的案例和動手試一試源代碼\test1\.idea\inspectionProfiles\profiles_settings.xml

?????文件????????219??2018-06-29?17:13??python編程從入門到實踐的案例和動手試一試源代碼\test1\.idea\misc.xml

?????文件????????262??2018-06-29?17:13??python編程從入門到實踐的案例和動手試一試源代碼\test1\.idea\modules.xml

?????文件????????459??2018-06-29?17:13??python編程從入門到實踐的案例和動手試一試源代碼\test1\.idea\test1.iml

?????文件??????26066??2018-07-02?11:10??python編程從入門到實踐的案例和動手試一試源代碼\test1\.idea\workspace.xml

?????文件????????230??2018-07-02?10:45??python編程從入門到實踐的案例和動手試一試源代碼\test1\birthday.py

?????文件?????????90??2018-06-29?18:31??python編程從入門到實踐的案例和動手試一試源代碼\test1\helloworld.py

?????文件????????104??2018-07-02?09:54??python編程從入門到實踐的案例和動手試一試源代碼\test1\hepin.py

?????文件????????118??2018-07-02?09:49??python編程從入門到實踐的案例和動手試一試源代碼\test1\test_two

?????文件????????238??2018-07-18?15:34??python編程從入門到實踐的案例和動手試一試源代碼\test10_ex\.idea\encodings.xml

?????文件????????228??2018-07-17?16:02??python編程從入門到實踐的案例和動手試一試源代碼\test10_ex\.idea\inspectionProfiles\profiles_settings.xml

?????文件????????219??2018-07-17?16:06??python編程從入門到實踐的案例和動手試一試源代碼\test10_ex\.idea\misc.xml

?????文件????????270??2018-07-17?16:02??python編程從入門到實踐的案例和動手試一試源代碼\test10_ex\.idea\modules.xml

?????文件????????459??2018-07-17?16:06??python編程從入門到實踐的案例和動手試一試源代碼\test10_ex\.idea\test10_ex.iml

?????文件??????45644??2018-07-20?15:14??python編程從入門到實踐的案例和動手試一試源代碼\test10_ex\.idea\workspace.xml

?????文件???????9389??2018-07-18?17:25??python編程從入門到實踐的案例和動手試一試源代碼\test10_ex\alice.pdf

?????文件????????402??2018-07-18?17:40??python編程從入門到實踐的案例和動手試一試源代碼\test10_ex\alice.py

?????文件??????25959??2018-07-18?17:39??python編程從入門到實踐的案例和動手試一試源代碼\test10_ex\alice.txt

?????文件?????????86??2018-07-18?16:54??python編程從入門到實踐的案例和動手試一試源代碼\test10_ex\division.py

?????文件????????457??2018-07-18?17:04??python編程從入門到實踐的案例和動手試一試源代碼\test10_ex\division_two.py

?????文件????????185??2018-07-17?16:26??python編程從入門到實踐的案例和動手試一試源代碼\test10_ex\file_reader.py

?????文件????????150??2018-07-17?16:39??python編程從入門到實踐的案例和動手試一試源代碼\test10_ex\file_reader_three.py

?????文件????????125??2018-07-17?16:32??python編程從入門到實踐的案例和動手試一試源代碼\test10_ex\file_reader_two.py

?????文件????????157??2018-07-19?16:59??python編程從入門到實踐的案例和動手試一試源代碼\test10_ex\greet_user.py

?????文件????????212??2018-07-18?13:33??python編程從入門到實踐的案例和動手試一試源代碼\test10_ex\learning_python.txt

?????文件???????2468??2018-07-19?14:46??python編程從入門到實踐的案例和動手試一試源代碼\test10_ex\moby_dick.txt

?????文件????????134??2018-07-19?16:44??python編程從入門到實踐的案例和動手試一試源代碼\test10_ex\number_reader.py

?????文件????????152??2018-07-19?16:32??python編程從入門到實踐的案例和動手試一試源代碼\test10_ex\number_write.py

?????文件?????????19??2018-07-19?16:33??python編程從入門到實踐的案例和動手試一試源代碼\test10_ex\old_number.json

............此處省略345個文件信息