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lite: Add TryExcept examples
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‎lite/contents/TryExcept.ipynb‎

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{
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"cells": [
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"*** Settings ***\n",
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"\n",
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"Documentation Robot Framework 5 syntax examples.\n",
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"\n",
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"Library IPython.display # Provides Display-keyword"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"*** Test Cases ***\n",
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"TRY / EXCEPT: Catch any exception\n",
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" TRY\n",
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" Fail\n",
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" EXCEPT\n",
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" Display EXCEPT with no arguments catches any exception.\n",
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" END"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"*** Test Cases ***\n",
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"\n",
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"TRY / EXCEPT: Catch an exception by exact message\n",
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" TRY\n",
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" Fail Error message\n",
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" EXCEPT Error message\n",
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" Display Catches only \"Error message\" exceptions.\n",
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" Display Enables error-specific exception handling.\n",
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" END"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"*** Test Cases ***\n",
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"\n",
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"TRY / EXCEPT: Multiple EXCEPT statements\n",
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" TRY\n",
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" Fail Error message\n",
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" EXCEPT Another error message\n",
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" Display Catches only \"Another error message\" exceptions.\n",
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" EXCEPT Error message\n",
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" Display Catches the \"Error message\" exception.\n",
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" END"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"*** Test Cases ***\n",
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"\n",
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"TRY / EXCEPT: Multiple messages in EXCEPT statement\n",
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" TRY\n",
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" Fail CCC\n",
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" EXCEPT AAA BBB CCC\n",
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" Display Catches any \"AAA\", \"BBB\", or \"CCC\" exception.\n",
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" END"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"*** Test Cases ***\n",
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"\n",
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"TRY / EXCEPT: Catch a specific exception, or an unexpected exception\n",
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" TRY\n",
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" Fail Error message\n",
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" EXCEPT Another message\n",
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" Display Catches only \"Another message\" exceptions.\n",
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" EXCEPT\n",
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" Display Catches any exception.\n",
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" Display Useful for handling unexpected exceptions.\n",
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" END"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"*** Test Cases ***\n",
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"\n",
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"TRY / EXCEPT: Catch exceptions where the message starts with\n",
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" TRY\n",
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" Fail A long error message with lots of details\n",
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" EXCEPT A long error message type=start\n",
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" Display Matches the start of an error message.\n",
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" END"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"*** Test Cases ***\n",
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"\n",
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"TRY / EXCEPT: Capture the error message\n",
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" TRY\n",
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" Fail Goodbye, world!\n",
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" EXCEPT AS ${error_message}\n",
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" Display ${error_message} # Goodbye, world!\n",
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" END"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"*** Test Cases ***\n",
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"\n",
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"TRY / EXCEPT: Using ELSE when no exceptions occured\n",
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" TRY\n",
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" Display All good!\n",
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" EXCEPT Error message\n",
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" Display An error occured.\n",
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" ELSE\n",
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" Display No error occured.\n",
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" END"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"*** Test Cases ***\n",
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"\n",
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"TRY / EXCEPT / FINALLY: Always execute code no matter if exceptions or not\n",
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" TRY\n",
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" Display All good!\n",
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" FINALLY\n",
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" Display FINALLY is always executed.\n",
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" END\n",
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" TRY\n",
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" Fail Catastrophic failure!\n",
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" EXCEPT\n",
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" Display Catches any exception.\n",
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" FINALLY\n",
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" Display FINALLY is always executed.\n",
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" END"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"*** Test Cases ***\n",
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"\n",
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"TRY / EXCEPT / ELSE / FINALLY: All together!\n",
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" TRY\n",
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" Fail Error message\n",
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" EXCEPT\n",
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" Display Executed if any exception occurs.\n",
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" ELSE\n",
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" Display Executed if no exceptions occur.\n",
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" FINALLY\n",
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" Display FINALLY is always executed.\n",
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" END"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"*** Test Cases ***\n",
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"\n",
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"TRY / EXCEPT: Glob pattern matching\n",
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" TRY\n",
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" Fail My error: 99 occured\n",
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" EXCEPT My error: * type=glob\n",
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" Display Catches by glob pattern matching.\n",
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" END\n",
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" "
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"*** Test Cases ***\n",
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"\n",
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"TRY / EXCEPT: Regular expression matching\n",
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" TRY\n",
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" Fail error 99 occured\n",
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" EXCEPT [Ee]rror \\\\d+ occured type=regexp\n",
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" Display Catches by regular expression pattern matching.\n",
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" END"
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]
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}
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],
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"metadata": {
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"kernelspec": {
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"display_name": "Robot Framework",
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"language": "robotframework",
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"name": "Robot Framework"
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},
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"language_info": {
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"codemirror_mode": {
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"name": "robotframework",
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"version": 3
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},
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"file_extension": ".robot",
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"mimetype": "text/x-robotframework",
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"name": "robotframework",
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"nbconvert_exporter": "robotframework",
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"pygments_lexer": "robotframework",
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"version": "3.8"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 4
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}

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