문자열 formating 3 types(python)

 

1. % 이용하기

 

 

num = 50 
s = 'my age %d' % num

print(s)

 

2. format 함수

 

a = 2
b = 3
 
s = '구구단 {0} x {1} = {2}'.format(a, b, a * b)
print(s)

 

    return df.to_excel(f'{filename}.xlsx',encoding='utf-8')
    # return df.to_excel("{}.xlsx".format(filename), encoding='utf-8')

 

 

3. f - string

https://blockdmask.tistory.com/429

py# f-string 왼쪽 정렬
s1 = 'left'
result1 = f'|{s1:<10}|'
print(result1)
 
# f-string 가운데 정렬
s2 = 'mid'
result2 = f'|{s2:^10}|'
print(result2)
 
# f-string 오른쪽 정렬
s3 = 'right'
result3 = f'|{s3:>10}|'
print(result3)

 

    return df.to_excel(f'{filename}.xlsx',encoding='utf-8')
    # return df.to_excel("{}.xlsx".format(filename), encoding='utf-8')