#coding=utf-8
def data_of_square(side):
C = 4 * side
S = side * side
return C, S
C, S = data_of_square(16)
print('周长 = {}'.format(C))
print('面积 = {}'.format(S))
result = data_of_square(16)
print(result)
def capitalize_first_if_lower(s):
if s and s[0].islower():
return s[0].upper() + s[1:]
return s
names = ['Alice', 'Bob', 'Candy', 'David', 'Ellena','job']
for index, item in enumerate(names):
names[index]=capitalize_first_if_lower(item)
print(names)
