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正确
txt = "Hello World"
txt = txt.@(7)(@(3), @(3))
txt = "Hello World"
txt = txt.replace("H", "J")
txt = "Hello World"
txt = txt.replace('H', 'J')
txt = "Hello World"
txt = txt.replace("H", 'J')
txt = "Hello World"
txt = txt.replace('H', "J")
不正确
点击 此处 重试 正确
下一题 ❯txt = "Hello World" txt = txt.w3exercise_input_no_0(w3exercise_input_no_1,w3exercise_input_no_2) |