零基础自学python复习基础 每日一练 【一个小时的练习】

        1.upper()

#把字符串所有字符都转换成大写字母
x = 'upper()'
print(x.upper())
print(x.lower())
x_ = 'swapcase()'
print(x_.upper())
print(x_.lower())
x_1 = 'title()'
print(x_1.upper())
print(x_.lower())

        2.lower()

#字符串中所有字符店铺转换成小写字母
x = 'LOWER()'
print(x.lower())
print(x.upper())
x_ = 'SWAPCASE'
print(x_.lower())
print(x_.upper())
x_1 = 'SWAPCASE'
print(x_1.lower())
print(x_1.upper())

        3.swapcase()

#把字符串所有大写字母转换成小写字母、把所有小写字母都转换成大写字母
x = 'swapcase()'
print(x.swapcase())
x_ = 'add()'
print(x_.swapcase())
x_1 = 'ADD()'
print(x_1)

        4.capitalize()

#把第一个字符转换为大写，把其余字符转换为小写
x  = 'Swapcase()'
print(x.capitalize())
x_ = 'CAPITALIZE()'
print(x_.capitalize())
x_1 = 'capitalize()'
print(x_1.capitalize())

        5.title()

#把所有单词第一个字符转换为大写、剩余转换成小写字母
x = 'cpaitalize()'
print(x.title())
x_ = 'CPAITALIZE()'
print(x_.title())
x_1 = 'Cpaitalize()'
print(x_1)

        6.center()

#调用center()让字符串居中对齐
x = 'add()'
print(x.center(21))
print(x.ljust(0))
print(x.rjust(1))
print(x.zfill(0))
print(x.split())
print(x.rsplit())
x_ = 'ljust()'
print(x_.center(9))
print(x_.ljust(0))
print(x_.rjust(1))
print(x_.zfill(0))
print(x_.split())
print(x_.rsplit())
x_1 = 'rjust()'
print(x_1.center(3))
print(x_1.ljust(0))
print(x_1.rjust(1))
print(x_.zfill(0))
print(x_.split())
print(x_.rsplit())

        7.ljust()

#调用ljust()让字符串左对齐
x = 'zfcill()'
print(x.ljust(4))
print(x.center(0))
print(x.rjust(1))
print(x.zfill(0))
print(x.split())
print(x.rsplit())
x_ = 'rjust()'
print(x_.ljust(5))
print(x_.center(0))
print(x_.rjust(1))
print(x_.zfill(0))
print(x_.split())
print(x_.rsplit())
x_1 = 'rjust()'
print(x_1.ljust(0))
print(x_1.center(0))
print(x_1.rjust(1))
print(x_1.zfill(0))
print(x_1.split())
print(x_1.rsplit())

        8.rjust()

#调用rjust()让字符串右对齐
x = 'zfill()'
print(x.rjust(0))
print(x.center(0))
print(x.ljust(1))
print(x.zfill(0))
print(x.split())
print(x.rsplit())
x_ = 'zfill()'
print(x_.rjust(1))
print(x_.center(0))
print(x_.ljust(1))
print(x_.zfill(0))
print(x_.split())
print(x_.rsplit())
x_1 = 'RJUST()'
print(x_1.rjust(0))
print(x_1.center(0))
print(x_1.ljust(1))
print(x_1.zfill(0))
print(x_1.split())
print(x_1.rsplit())

        9.zfill()

#调用zfill() 让字符串右对齐
x = 'zfill()'
print(x.zfill(1))
print(x.center(0))
print(x.ljust(1))
print(x.rjust(0))
print(x.split())
print(x.rsplit())
x_ = 'rjust()'
print(x_.rjust(0))
print(x_.center(0))
print(x_.ljust(1))
print(x_.rjust(0))
print(x_.split())
print(x_.rsplit())
x_1 = 'center()'
print(x_1.zfill(1))
print(x_1.center(0))
print(x_1.ljust(1))
print(x_1.rjust(0))
print(x_1.split())
print(x_1.rsplit())

        10.split()

#调用split()让字符串从左边开始劈分  默认的劈分字符串是空格字符串 返回的值都是一个列表
x = 'add(),break,split()'
print(x.split())
print(x.rsplit())
print(x.center(0))
print(x.ljust(1))
print(x.rjust(0))
x_ = 'continue,rsplit()'
print(x_.split())
print(x_.rsplit())
print(x_.center(0))
print(x_.ljust(1))
print(x_.rjust(0))
x_1 = 'pop(),size,pip'
print(x_1.split())
print(x_1.rsplit())
print(x_1.center(0))
print(x_1.ljust(1))
print(x_1.rjust(0))

        11.rsplit()

# 调用split()让字符串从右边开始劈分  默认的劈分字符串是空格字符串 返回的值都是一个列表
x = 'update(),remove(),add()'
print(x.rsplit())
print(x.split())
print(x.center(0))
print(x.ljust(1))
print(x.rjust(0))
c_ = 'rsplit(),split(),add()'
print(c_.rsplit())
print(c_.split())
print(c_.center(0))
print(c_.ljust(1))
print(c_.rjust(0))
c_1 = 'ADD(),SPLIT(),RSPLIT()'
print(c_1.rsplit())
print(c_1.split())
print(c_1.center(0))
print(c_1.ljust(1))
print(c_1.rjust(0))