first commit

.idea/.gitignore

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+# Default ignored files
+/shelf/
+/workspace.xml

.idea/inspectionProfiles/profiles_settings.xml

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+<component name="InspectionProjectProfileManager">
+  <settings>
+    <option name="USE_PROJECT_PROFILE" value="false" />
+    <version value="1.0" />
+  </settings>
+</component>

.idea/modules.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/oparin_test.iml" filepath="$PROJECT_DIR$/.idea/oparin_test.iml" />
+    </modules>
+  </component>
+</project>

.idea/oparin_test.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="PYTHON_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

main.py

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+
+
+
+def remove_duplicate_chars(s: str) -> str:
+   have_char = []
+   answer_str=''
+   for i in s:
+       if i not in have_char:
+           have_char.append(i)
+           answer_str += i
+   return answer_str
+
+print (remove_duplicate_chars("abacabad") )