String Operations Send Feedback Problem Statement: A sentence can have different versions due to variations in character cases, such as 'dog', 'Dog', and 'DOG'. The computer will treat these differently to ensure that all variations are treated equally. Write a function convert_to_lowercase that takes a sentence as input and converts all characters in the sentence to lowercase. Input: The convert_to_lowercase function takes a sentence (string) as input. Output: The function returns a string with all characters converted to lowercase. Sample Input 1: sentence = "Hello, World!" convert_to_lowercase(sentence) Return Output 1: "hello, world!" Sample Input 2: sentence = "Convert ME to lowercase" convert_to_lowercase(sentence) Return Output 2: "convert me to lowercase"
Question
String Operations Send Feedback Problem Statement: A sentence can have different versions due to variations in character cases, such as 'dog', 'Dog', and 'DOG'. The computer will treat these differently to ensure that all variations are treated equally. Write a function convert_to_lowercase that takes a sentence as input and converts all characters in the sentence to lowercase. Input: The convert_to_lowercase function takes a sentence (string) as input. Output: The function returns a string with all characters converted to lowercase. Sample Input 1: sentence = "Hello, World!" convert_to_lowercase(sentence) Return Output 1: "hello, world!" Sample Input 2: sentence = "Convert ME to lowercase" convert_to_lowercase(sentence) Return Output 2: "convert me to lowercase"
Solution
To solve this problem, you can use the built-in Python method called lower(). This method returns a string where all characters are in lower case.
Here is the step-by-step solution:
- Define a function named
convert_to_lowercasethat takes a string as an argument.
def convert_to_lowercase(sentence):
- Inside the function, use the
lower()method on the input string. This will convert all the characters in the string to lowercase.
return sentence.lower()
- Now you can call the function with a string argument to test it.
print(convert_to_lowercase("Hello, World!")) # Output: "hello, world!"
print(convert_to_lowercase("Convert ME to lowercase")) # Output: "convert me to lowercase"
So, the complete code is:
def convert_to_lowercase(sentence):
return sentence.lower()
print(convert_to_lowercase("Hello, World!"))
print(convert_to_lowercase("Convert ME to lowercase"))
This code will convert all the characters in the given sentence to lowercase.
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How can you convert a lowercase character to uppercase manually in a string?
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