1.upper(): 转换为大写
# 字符串全部转换为大写
test = "alex"
v0 = test.upper()
print(v0)
运行结果如下:
2.输出格式与填充
2.1center() :字符串居中显示,指定字符总数并设定空白处填充字符
test = "alex"
v1 = test.center(20, "*")
print(v1)
运行结果如下:
2.2 ljust() :字符串居左显示,指定字符总数并设定空白处填充字符
test = "alex"
v1 = test.ljust(20, "*")
print(v1)
运行结果如下:
2.3rjust():字符串居右显示,指定字符总数并设定空白处填充字符
test = "alex"
v1 = test.rjust(20, "*")
print(v1)
运行结果如下:
2.4zfill(): 字符串居右并填充“0”
test = "alex"
v1 = test.zfill(20)
print(v1)
运行结果如下: