save project

hfds.py

+# text="hello world!"
+# for i in range(len(text)):
+#     print(text[i])
+# text="bcellcode"
+# for i in range(len(text)):
+#     if text[i]=="c":
+#         sgf=text[i:i+4]
+#         if sgf=='code':
+#             print(sgf)
+#             break
+# text=["p","y","t","h","o","n"]
+# lzy=""
+# for i in range(len(text)):
+#     lzy=lzy+text[i]
+#     print(lzy)
+# wer1="本节课我们学习文字加密"
+# wer2="用python进行"
+# for i in range(len(wer1)):
+#     if wer1[i]=="习":
+#         sdg=wer1[:i+1]+wer2+wer1[i+1:]
+#         print(sdg)
+import random
+qwe=0
+wer=0
+ert=0
+for i in range(3000):
+    x = random.randint(8,10)
+    if x==8:
+        qwe+=1
+    if x==9:
+        wer+=1
+    if x==10:
+        ert+=1
+print(qwe,wer,ert)
+
+

ljg.py

+namm=['Jonh','Sam','Lily','Anna','Daming','Helen']
+for i in range(len(namm)):
+    if namm[i]=='Lily':
+        namm[i]='Nina'
+    if namm[i]=="Daming":
+        namm.insert(i+1,"Sally")  
+        break
+namm.pop(3)
+for i in range(len(namm)):
+    if namm[i]=="Helen":
+        namm.insert(i+1,"XiaoLi")
+        namm.insert(i+2,"Qiang")
+        namm.insert(i+3,"Neo")
+        print(namm[i]+"的索引是"+str(i))
+        break
+for i in range(len(namm)):
+    if namm[i]=="Nina":
+        kj=i
+    if namm[i]=="XiaoLi":
+        hg=i
+gf=namm[kj:hg]
+print(gf)
+print(namm)