Python Practice › If-Else Programs › Program 23
Check an uppercase character
Write a Python program to check whether a character is uppercase.
Input
"A", "g", "5"
Output
A is an uppercase letter g is not an uppercase letter 5 is not an uppercase letter
Approach
- Use the string method
isupper().
Solution
for ch in ["A", "g", "5"]: if ch.isupper(): print(ch, "is an uppercase letter") else: print(ch, "is not an uppercase letter")Output
A is an uppercase letter g is not an uppercase letter 5 is not an uppercase letter
Line by line
Line 2
isupper() is True only for strings with at least one cased letter, all upper case; digits return False.
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