Here are 2 ways to convert all elements in a list to upper case:
(1) Using a List Comprehension:
my_list = ["aa", "bb", "cc", "dd", "ee"]
upper_case_list = [i.upper() for i in my_list]
print(upper_case_list)
The result:
['AA', 'BB', 'CC', 'DD', 'EE'](2) Using a For Loop:
my_list = ["aa", "bb", "cc", "dd", "ee"]
upper_case_list = []
for i in my_list:
upper_case_list.append(i.upper())
print(upper_case_list)
The result:
['AA', 'BB', 'CC', 'DD', 'EE']Alternatively, you may use the following generator to convert all the elements in your list to upper case:
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You may check the following guide for the steps to convert all elements in a list to lower case.