Question

How to extract uppercase characters (capital letters) from a string in Python

Answer 1

s = 'pythonJAVAc++PHP'
 
result = ''.join([ch for ch in s if ch.isupper()])
  
print(result)  
  
           
        
'''
run:
  
JAVAPHP
        
'''

 

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Answer 2

def extract_uppercase(s) : 
    length = len(s) 
    upper_s = "" 
    
    for i in range(length) : 
        if (ord(s[i]) >= 65 and ord(s[i]) <= 90) : 
            upper_s = upper_s + s[i] 
     
    return upper_s 
  
  
  
s = "pyPthYTHoOnN"
 
uc = extract_uppercase(s)
        
print(uc) 
  
  
  
'''
run:
  
PYTHON
  
'''

 

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