【python實例】統計字符串里大寫字母，小寫字母和非字母的個數

"""
　　給定一個以下字符串：統計大寫字母的個數，小寫字母的個數，非字母的個數。
    str1 = "ajdkkKDKEK1343KFKiriromfkfKKRIOWJF0928398jjee11djdDJJRH"
"""

str1 = "ajdkkKDKEK1343KFKiriromfkfKKRIOWJF0928398jjee11djdDJJRH"
big_num = 0  # 記錄大寫字母個數
small_num = 0  # 記錄小寫字母個數
not_alpha_num = 0  # 記錄非字母個數

for c in str1:
    if c.isupper():
        big_num += 1
    elif c.islower():
        small_num += 1
    else:
        not_alpha_num += 1

print('大寫字母個數為:%d, 小寫字母個數:%d, 非字母個數:%d' % (big_num, small_num, not_alpha_num))